$MED
MEDIFAST INC Stock $med

$med Overview Financials Valuation SEC Filings Company Website

2014 Q4 Form 10-K Financial Statement

#000114420415016333 Filed on March 16, 2015

Income Statement

Concept	2014 Q4	2014	2013 Q4
Revenue	$62.30M	$285.3M	$70.30M
YoY Change	-11.38%	-11.96%	-15.5%
Cost Of Revenue	$17.30M	$76.08M	$18.30M
YoY Change	-5.46%	-8.88%	-10.29%
Gross Profit	$45.00M	$209.2M	$51.90M
YoY Change	-13.29%	-13.04%	-17.36%
Gross Profit Margin	72.23%	73.33%	73.83%
Selling, General & Admin	$40.80M	$179.0M	$41.90M
YoY Change	-2.63%	-11.47%	-28.98%
% of Gross Profit	90.67%	85.54%	80.73%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.100M	$8.052M	$0.00
YoY Change		1.91%	-100.0%
% of Gross Profit	4.67%	3.85%	0.0%
Operating Expenses	$40.80M	$179.0M	$41.90M
YoY Change	-2.63%	-11.47%	-29.22%
Operating Profit	$4.200M	$30.25M	$10.00M
YoY Change	-58.0%	-21.25%	177.78%
Interest Expense	$300.0K	$716.0K	$200.0K
YoY Change	50.0%	40.67%	100.0%
% of Operating Profit	7.14%	2.37%	2.0%
Other Income/Expense, Net	-$300.0K	$1.447M	-$500.0K
YoY Change	-40.0%	128.59%
Pretax Income	$4.200M	$31.69M	$9.800M
YoY Change	-57.14%	-18.83%	172.22%
Income Tax	$1.600M	$10.66M	$2.600M
% Of Pretax Income	38.1%	33.65%	26.53%
Net Earnings	-$3.400M	$13.18M	$5.300M
YoY Change	-164.15%	-45.01%	178.95%
Net Earnings / Revenue	-5.46%	4.62%	7.54%
Basic Earnings Per Share		$1.04
Diluted Earnings Per Share	-$283.3K	$1.03	$389.7K
COMMON SHARES
Basic Shares Outstanding	12.06M shares	12.67M shares	13.88M shares
Diluted Shares Outstanding		12.78M shares

Balance Sheet

Concept	2014 Q4	2014	2013 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$77.10M	$52.60M	$104.2M
YoY Change	-25.99%	-22.42%	4.26%
Cash & Equivalents	$24.46M	$24.50M	$36.38M
Short-Term Investments	$52.64M	$28.20M	$67.80M
Other Short-Term Assets	$6.800M	$6.800M	$5.600M
YoY Change	21.43%	21.43%	16.67%
Inventory	$15.74M	$15.70M	$17.54M
Prepaid Expenses
Receivables	$1.650M	$1.700M	$942.0K
Other Receivables	$5.000M	$5.000M	$0.00
Total Short-Term Assets	$81.91M	$81.90M	$91.95M
YoY Change	-10.92%	-10.98%	3.81%
LONG-TERM ASSETS
Property, Plant & Equipment	$33.48M	$33.50M	$34.48M
YoY Change	-2.9%	-2.9%	-14.04%
Goodwill
YoY Change
Intangibles			$0.00
YoY Change			-100.0%
Long-Term Investments
YoY Change
Other Assets	$497.0K	$500.0K	$231.0K
YoY Change	115.15%	-91.94%	-79.72%
Total Long-Term Assets	$34.00M	$34.00M	$40.70M
YoY Change	-16.46%	-16.46%	-2.35%
TOTAL ASSETS
Total Short-Term Assets	$81.91M	$81.90M	$91.95M
Total Long-Term Assets	$34.00M	$34.00M	$40.70M
Total Assets	$115.9M	$115.9M	$132.7M
YoY Change	-12.62%	-12.66%	1.84%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$12.20M	$12.20M	$12.00M
YoY Change	1.67%	1.67%	-57.45%
Accrued Expenses	$5.800M	$9.700M	$4.800M
YoY Change	20.83%	-4.9%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$200.0K	$200.0K	$0.00
YoY Change		0.0%	-100.0%
Total Short-Term Liabilities	$26.94M	$26.90M	$27.10M
YoY Change	-0.58%	-0.74%	-5.73%
LONG-TERM LIABILITIES
Long-Term Debt	$200.0K	$200.0K	$0.00
YoY Change		-60.0%	-100.0%
Other Long-Term Liabilities	$2.800M	$2.800M	$0.00
YoY Change
Total Long-Term Liabilities	$3.000M	$3.000M	$0.00
YoY Change		500.0%	-100.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$26.94M	$26.90M	$27.10M
Total Long-Term Liabilities	$3.000M	$3.000M	$0.00
Total Liabilities	$35.43M	$35.40M	$34.23M
YoY Change	3.51%	3.51%	-13.25%
SHAREHOLDERS EQUITY
Retained Earnings	$78.90M		$97.70M
YoY Change	-19.25%		27.66%
Common Stock	$1.144M		$13.00K
YoY Change	8700.0%		-18.75%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$0.00		$0.00
YoY Change			-100.0%
Treasury Stock Shares	0.000 shares		0.000 shares
Shareholders Equity	$80.48M	$80.50M	$98.42M
YoY Change
Total Liabilities & Shareholders Equity	$115.9M	$115.9M	$132.7M
YoY Change	-12.62%	-12.66%	1.84%

Cashflow Statement

Concept	2014 Q4	2014	2013 Q4
OPERATING ACTIVITIES
Net Income	-$3.400M	$13.18M	$5.300M
YoY Change	-164.15%	-45.01%	178.95%
Depreciation, Depletion And Amortization	$2.100M	$8.052M	$0.00
YoY Change		1.91%	-100.0%
Cash From Operating Activities	$900.0K	$25.54M	$8.300M
YoY Change	-89.16%	-39.72%	1283.33%
INVESTING ACTIVITIES
Capital Expenditures	-$2.900M	$7.024M	-$2.800M
YoY Change	3.57%	-38.31%	300.0%
Acquisitions
YoY Change
Other Investing Activities	-$300.0K	$4.500M	$3.000M
YoY Change	-110.0%	-140.18%	-178.95%
Cash From Investing Activities	-$3.200M	-$2.518M	$200.0K
YoY Change	-1700.0%	-88.86%	-104.35%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$33.89M
YoY Change		68.79%
Debt Paid & Issued, Net		$222.0K
YoY Change		-93.9%
Cash From Financing Activities	-900.0K	-$34.94M	-20.10M
YoY Change	-95.52%	49.88%	-3450.0%
NET CHANGE
Cash From Operating Activities	900.0K	$25.54M	8.300M
Cash From Investing Activities	-3.200M	-$2.518M	200.0K
Cash From Financing Activities	-900.0K	-$34.94M	-20.10M
Net Change In Cash	-3.200M	-$11.92M	-11.60M
YoY Change	-72.41%	235.39%	241.18%
FREE CASH FLOW
Cash From Operating Activities	$900.0K	$25.54M	$8.300M
Capital Expenditures	-$2.900M	$7.024M	-$2.800M
Free Cash Flow	$3.800M	$18.51M	$11.10M
YoY Change	-65.77%	-40.23%	753.85%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q4	us-gaap	Liabilities Liabilities	34234000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Current CapitalLeaseObligationsCurrent	222000	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	27101000	USD
CY2013Q4	us-gaap	Capital Lease Obligations Noncurrent CapitalLeaseObligationsNoncurrent	474000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	6659000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	23969000	USD
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13721997	shares
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.73
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	36382000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	24459000	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	942000	USD
CY2014Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1650000	USD
CY2013Q4	us-gaap	Inventory Net InventoryNet	17537000	USD
CY2014Q4	us-gaap	Inventory Net InventoryNet	15735000	USD
CY2013Q4	us-gaap	Short Term Investments ShortTermInvestments	31420000	USD
CY2014Q4	us-gaap	Short Term Investments ShortTermInvestments	28185000	USD
CY2013Q4	us-gaap	Prepaid Taxes PrepaidTaxes	0	USD
CY2014Q4	us-gaap	Prepaid Taxes PrepaidTaxes	5099000	USD
CY2013Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	2526000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	1957000	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	91954000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	34476000	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	231000	USD
CY2013Q4	us-gaap	Assets Assets	132650000	USD
CY2013Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	22230000	USD
CY2013Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	99000	USD
CY2013Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	13000	USD
CY2013Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	703000	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	97700000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	13181000	USD
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13774083	shares
CY2014Q4	us-gaap	Interest Receivable InterestReceivable	81000	USD
CY2013Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	67802000	USD
CY2014Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	52644000	USD
CY2013Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	31420000	USD
CY2014Q4	med	Inventory Non Food Finished Goods InventoryNonFoodFinishedGoods	1108000	USD
CY2013Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	10809000	USD
CY2014Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	9689000	USD
CY2013Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	265000	USD
CY2014Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	392000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	15876000	USD
CY2013Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	5381000	USD
CY2014Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	4410000	USD
CY2013Q4	us-gaap	Retail Related Inventory RetailRelatedInventory	757000	USD
CY2014Q4	us-gaap	Retail Related Inventory RetailRelatedInventory	920000	USD
CY2013Q4	med	Inventory Non Food Finished Goods InventoryNonFoodFinishedGoods	855000	USD
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	12670387	shares
CY2012	med	Effect Of Dilutive Common Stock Equivalent EffectOfDilutiveCommonStockEquivalent	17827	shares
CY2013	med	Effect Of Dilutive Common Stock Equivalent EffectOfDilutiveCommonStockEquivalent	43610	shares
CY2014	med	Effect Of Dilutive Common Stock Equivalent EffectOfDilutiveCommonStockEquivalent	107890	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13739824	shares
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	12778277	shares
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.16
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.74
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.04
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.16
CY2013Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	66514000	USD
CY2014Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	51833000	USD
CY2013Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1442000	USD
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	914000	USD
CY2013Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	263000	USD
CY2014Q4	us-gaap	Available For Sale Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	184000	USD
CY2013Q4	us-gaap	Interest Receivable InterestReceivable	109000	USD
CY2014Q4	us-gaap	Investment Owned At Fair Value InvestmentOwnedAtFairValue	28185000	USD
CY2013Q4	med	Allowance For Doubtful Accounts Receivable And Sales Returns Current AllowanceForDoubtfulAccountsReceivableAndSalesReturnsCurrent	564000	USD
CY2014Q4	med	Allowance For Doubtful Accounts Receivable And Sales Returns Current AllowanceForDoubtfulAccountsReceivableAndSalesReturnsCurrent	354000	USD
CY2013Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2014Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2013Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1500000	shares
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1500000	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	70542	shares
CY2014	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
CY2013Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2014Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	13143309	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	12365690	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13115642	shares
CY2014Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	12075764	shares
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P0Y
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0161	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.6315	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	0	shares
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	2778	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	67375	shares
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	4662	shares
CY2013Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	26.11
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
CY2014	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	27.16
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	26.05
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	24.26
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y10M24D
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P8Y1M20D
CY2014Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	505286	USD
CY2014Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	43310	USD
CY2014Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	600000	USD
CY2014	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	15.19
CY2014	med	Share Based Compensation Arrangement By Share Based Payment Award Options Expiration Weighted Average Remaining Contractual Term1 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationWeightedAverageRemainingContractualTerm1	P10Y
CY2014	med	Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestingPeriod	P3Y
CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	318571000	USD
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	324054000	USD
CY2014	us-gaap	Sales Revenue Net SalesRevenueNet	285285000	USD
CY2014	us-gaap	Loss Contingency Damages Sought Value LossContingencyDamagesSoughtValue	270000000	USD
CY2013	us-gaap	Revenues Revenues	324054000	USD
CY2014	us-gaap	Revenues Revenues	285285000	USD
CY2012	us-gaap	Cost Of Revenue CostOfRevenue	82662000	USD
CY2013	us-gaap	Cost Of Revenue CostOfRevenue	83488000	USD
CY2014	us-gaap	Cost Of Revenue CostOfRevenue	76078000	USD
CY2012	us-gaap	Gross Profit GrossProfit	235909000	USD
CY2013	us-gaap	Gross Profit GrossProfit	240566000	USD
CY2014	us-gaap	Gross Profit GrossProfit	209207000	USD
CY2012	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	208769000	USD
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	202156000	USD
CY2014	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	178961000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	27140000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	38410000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	30246000	USD
CY2012	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	304000	USD
CY2013	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	509000	USD
CY2014	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	716000	USD
CY2012	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	912000	USD
CY2013	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	124000	USD
CY2014	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	731000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1216000	USD
CY2014	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	1447000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	28356000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	39043000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31693000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9914000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	11908000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10664000	USD
CY2012	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	269000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	257000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	207000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	112000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	107000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	475000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	157000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	150000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-268000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	157000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	150000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-268000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	16033000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24119000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12913000	USD
CY2011Q4	us-gaap	Stockholders Equity StockholdersEquity	73402000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2850000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	3209000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2766000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	1265000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	383000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	275000	USD
CY2012	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2764000	USD
CY2013	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	20081000	USD
CY2014	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	33894000	USD
CY2013	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	USD
CY2014	us-gaap	Treasury Stock Retired Cost Method Amount TreasuryStockRetiredCostMethodAmount	0	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	90786000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8385000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	7901000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	8052000	USD
CY2012	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	-2000	USD
CY2013	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	74000	USD
CY2012	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1265000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	2850000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	286000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-392000	USD
CY2014	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	29000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	389000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-87000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	708000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	734000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-2615000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1802000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	810000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-204000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	349000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-155000	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-746000	USD
CY2014	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	318000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	8974000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-1427000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-376000	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	4561000	USD
CY2013	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	972000	USD
CY2014	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-5198000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	40938000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	42188000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	27338000	USD
CY2012	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	8109000	USD
CY2013	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	14359000	USD
CY2014	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	29636000	USD
CY2012	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	8390000	USD
CY2013	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	25355000	USD
CY2014	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	26080000	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	8127000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	11386000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7024000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-8408000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-22382000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-3468000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1444000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3641000	USD
CY2014	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	222000	USD
CY2012	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	18000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	26000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	52000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	383000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	275000	USD
CY2012	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2764000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	20081000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	33894000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-2925000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-23313000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-34941000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	25675000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-3555000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-11923000	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	14262000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	39937000	USD
CY2012	us-gaap	Interest Paid InterestPaid	123000	USD
CY2013	us-gaap	Interest Paid InterestPaid	57000	USD
CY2014	us-gaap	Interest Paid InterestPaid	131000	USD
CY2012	us-gaap	Income Taxes Paid IncomeTaxesPaid	4093000	USD
CY2013	us-gaap	Income Taxes Paid IncomeTaxesPaid	9983000	USD
CY2014	us-gaap	Income Taxes Paid IncomeTaxesPaid	12721000	USD
CY2013Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	0	USD
CY2014Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	1132000	USD
CY2013Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	1190000	USD
CY2014Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	184000	USD
CY2013Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	4550000	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	4858000	USD
CY2013Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	0	USD
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	2756000	USD
CY2013Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	5989000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	22000	USD
CY2014	dei	Document Type DocumentType	10-K
CY2014	dei	Amendment Flag AmendmentFlag	false
CY2014	dei	Document Period End Date DocumentPeriodEndDate	2014-12-31
CY2014	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2014
CY2014	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2014	dei	Entity Registrant Name EntityRegistrantName	MEDIFAST INC
CY2014	dei	Entity Central Index Key EntityCentralIndexKey	0000910329
CY2014	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2014	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2014	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2014	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2014	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2014Q2	dei	Entity Public Float EntityPublicFloat	368000000	USD
CY2014	dei	Trading Symbol TradingSymbol	MED
CY2015Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	12140069	shares
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-2566000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-3166000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-7848000	USD
CY2012	us-gaap	Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems	18442000	USD
CY2013	us-gaap	Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems	27135000	USD
CY2014	us-gaap	Income Tax Expense Benefit Continuing Operations Discontinued Operations Extraordinary Items IncomeTaxExpenseBenefitContinuingOperationsDiscontinuedOperationsExtraordinaryItems	21029000	USD
CY2012	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-674000	USD
CY2013	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	172000	USD
CY2014	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	-1802000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	40264000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	42360000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	25536000	USD
CY2012	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-3256000	USD
CY2013	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-220000	USD
CY2014	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	950000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-11664000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-22602000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2518000	USD
CY2012	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
CY2013	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
CY2014	us-gaap	Cash Provided By Used In Financing Activities Discontinued Operations CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations	0	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2925000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-23313000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-34941000	USD
CY2012	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	104000	USD
CY2013	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
CY2014	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	0	USD
CY2012	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	0	USD
CY2013	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	0	USD
CY2014	us-gaap	Payments For Repurchase Of Other Equity PaymentsForRepurchaseOfOtherEquity	1152000	USD
CY2012	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2014	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"><strong><font style="FONT-SIZE: 10pt"> Reclassification</font></strong> <font style="FONT-SIZE: 10pt"> Certain amounts reported for prior periods have been reclassified to be consistent with the current period presentation. No reclassification in the consolidated financial statements had a material impact on the presentation except for the reclassifications of discontinued operations as a result of the sale and closure of the Medifast Corporate Weight Control Centers.</font></div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2014	us-gaap	Use Of Estimates UseOfEstimates	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"><strong><font style="FONT-SIZE: 10pt">Use of Estimates</font></strong> <font style="FONT-SIZE: 10pt"> The preparation of financial statements in conformity with generally accepted accounting principles in the United States of America requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and reported amounts of revenue and expenses during the reporting period. Actual results could differ materially from those estimates.</font></div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Research And Development IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment	-267000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense Research And Development IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment	-459000	USD
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CY2014	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	73000	USD
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.0	pure
CY2014	us-gaap	Revenue Recognition Leases Operating RevenueRecognitionLeasesOperating	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"><strong><font style="FONT-SIZE: 10pt">Operating Leases -</font></strong> <font style="FONT-SIZE: 10pt">Medifast leases retail stores, distribution facilities, and office space under operating leases. Many of our lease agreements contain tenant improvement allowances, rent holidays, rent escalation clauses, and contingent rent provisions. The Company recognizes incentives and minimum rental expenses on a straight-line basis over the terms of the leases. We commence recording rent expense on the date of initial possession, which is generally when we enter the space and begin to make improvements to properties for our intended use. For tenant improvement allowances and rent holidays, we record a deferred rent liability on the consolidated balance sheets and amortize the deferred rent over the terms of the leases as reductions to rent expense on the consolidated statements of income.</font></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt"> <font style="FONT-SIZE: 10pt"> </font></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"><font style="FONT-SIZE: 10pt">For scheduled rent escalation clauses during the lease terms or for rental payments commencing at a date other than the date of initial occupancy, we record minimum rental expenses on a straight-line basis over the terms of the leases on the consolidated statements of income. Several leases provide for contingent rents, which are determined as a percentage of gross sales in excess of specified levels. We record a contingent rent liability on the consolidated balance sheets and the corresponding rent expense when we determine achieving the specified levels is probable.</font></div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2014Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	64000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	26000000	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	21000000	USD
CY2014	us-gaap	Advertising Expense AdvertisingExpense	17000000	USD
CY2013	us-gaap	Sales Returns And Allowances Goods SalesReturnsAndAllowancesGoods	525000	USD
CY2014	us-gaap	Sales Returns And Allowances Goods SalesReturnsAndAllowancesGoods	290000	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	122000	USD
CY2012	us-gaap	Realized Gain Loss On Marketable Securities Cost Method Investments And Other Investments RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments	-2000	USD
CY2013	us-gaap	Realized Gain Loss On Marketable Securities Cost Method Investments And Other Investments RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments	74000	USD
CY2014	us-gaap	Realized Gain Loss On Marketable Securities Cost Method Investments And Other Investments RealizedGainLossOnMarketableSecuritiesCostMethodInvestmentsAndOtherInvestments	771000	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	66543000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	73646000	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	32067000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	40169000	USD
CY2013Q4	us-gaap	Accounts Payable Trade Current And Noncurrent AccountsPayableTradeCurrentAndNoncurrent	12031000	USD
CY2014Q4	us-gaap	Accounts Payable Trade Current And Noncurrent AccountsPayableTradeCurrentAndNoncurrent	12178000	USD
CY2013Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	5403000	USD
CY2014Q4	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	3890000	USD
CY2013Q4	us-gaap	Sales And Excise Tax Payable Current And Noncurrent SalesAndExciseTaxPayableCurrentAndNoncurrent	1335000	USD
CY2014Q4	us-gaap	Sales And Excise Tax Payable Current And Noncurrent SalesAndExciseTaxPayableCurrentAndNoncurrent	806000	USD
CY2013Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	0	USD
CY2014Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	1980000	USD
CY2013Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	3461000	USD
CY2014Q4	us-gaap	Accounts Payable Other Current AccountsPayableOtherCurrent	3000000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	291000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	692000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	413000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	699000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	0	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	896000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1283000	USD
CY2012Q4	med	Deferred Tax Liability Accrued Expenses And Deferred Costs DeferredTaxLiabilityAccruedExpensesAndDeferredCosts	690000	USD
CY2013Q4	med	Deferred Tax Liability Accrued Expenses And Deferred Costs DeferredTaxLiabilityAccruedExpensesAndDeferredCosts	1260000	USD
CY2014Q4	med	Deferred Tax Liability Accrued Expenses And Deferred Costs DeferredTaxLiabilityAccruedExpensesAndDeferredCosts	3170000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	294000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	752000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	710000	USD
CY2012Q3	med	Payments To Civil Penalty PaymentsToCivilPenalty	3700000	USD
CY2014	med	Operating Loss Carryforwards Expiration Year OperatingLossCarryforwardsExpirationYear	2031
CY2014Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	10600000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10512000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	11480000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10378000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	336000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals	332000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	526000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	337000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	142000	USD
CY2012Q4	med	Deferred Tax Assets Sales Tax Accrual DeferredTaxAssetsSalesTaxAccrual	1228000	USD
CY2013Q4	med	Deferred Tax Assets Sales Tax Accrual DeferredTaxAssetsSalesTaxAccrual	337000	USD
CY2014Q4	med	Deferred Tax Assets Sales Tax Accrual DeferredTaxAssetsSalesTaxAccrual	8000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3472000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3575000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	5593000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	333000	USD
CY2013Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	476000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Prepaid Expenses DeferredTaxLiabilitiesPrepaidExpenses	779000	USD
CY2012Q4	med	Deferred Tax Liabilities Depreciations DeferredTaxLiabilitiesDepreciations	7729000	USD
CY2013Q4	med	Deferred Tax Liabilities Depreciations DeferredTaxLiabilitiesDepreciations	7091000	USD
CY2014Q4	med	Deferred Tax Liabilities Depreciations DeferredTaxLiabilitiesDepreciations	6285000	USD
CY2012Q4	med	Deferred Tax Liability Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxLiabilityTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	105000	USD
CY2013Q4	med	Deferred Tax Liability Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxLiabilityTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	0	USD
CY2014Q4	med	Deferred Tax Liability Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxLiabilityTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	0	USD
CY2012Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8919000	USD
CY2013Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8277000	USD
CY2014Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7358000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	-5447000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	-4702000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	-1765000	USD
CY2014	us-gaap	Line Of Credit Facility Expiration Date1 LineOfCreditFacilityExpirationDate1	2015-08-01
CY2014	us-gaap	Debt Instrument Description Of Variable Rate Basis DebtInstrumentDescriptionOfVariableRateBasis	LIBOR rate plus 1.75%, which was 1.92%
CY2014	med	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expired In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod	389	shares
CY2014	med	Share Based Compensation Arrangements By Share Based Payment Award Options Expired In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpiredInPeriodWeightedAverageExercisePrice	28.81
CY2012	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	18442000	USD
CY2013	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	27135000	USD
CY2014	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	21029000	USD
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-2566000	USD
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-3166000	USD
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-7848000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.34
CY2013	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.97
CY2014	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.66
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.18
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.23
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.62
CY2012	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.34
CY2013	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.96
CY2014	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.65
CY2012	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.18
CY2013	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.23
CY2014	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.62
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9925000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	13665000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	11093000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	736000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	393000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	314000	USD
CY2012	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	902000	USD
CY2013	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	979000	USD
CY2014	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	811000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	1389000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	0	USD
CY2014	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	0	USD
CY2012	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	190000	USD
CY2014	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"></div> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;MARGIN: 0in 0in 0pt" align="justify"><strong><font style="FONT-SIZE: 10pt"> Concentration of Credit Risk</font></strong> <font style="FONT-SIZE: 10pt"> Our cash and cash equivalents and available-for-sale securities are maintained at several financial institutions, and the balances with these financial institutions often exceed the amount of insurance provided on such accounts by the Federal Deposit Insurance Corporation. The cash and cash equivalents generally are maintained with financial institutions with reputable credit, and therefore bear minimal credit risk. Historically, we have not experienced any losses due to such concentration of credit risk.</font></div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2014Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	7614000	USD
CY2012Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	0	USD
CY2013Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	1361000	USD
CY2014Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	6534000	USD
CY2013	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	-173000	USD
CY2014	us-gaap	Income Tax Reconciliation Deductions Other IncomeTaxReconciliationDeductionsOther	-200000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.0	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.002	pure
CY2012	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	38135000	USD
CY2013	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	32832000	USD
CY2014	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	22509000	USD
CY2012	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	-3898000	USD
CY2013	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	-4856000	USD
CY2014	us-gaap	Discontinued Operation Gain Loss From Disposal Of Discontinued Operation Before Income Tax DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax	-13150000	USD
CY2012	us-gaap	Discontinued Operation Tax Expense Benefit From Provision For Gain Loss On Disposal DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal	-1332000	USD
CY2013	us-gaap	Discontinued Operation Tax Expense Benefit From Provision For Gain Loss On Disposal DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal	-1690000	USD
CY2014	us-gaap	Discontinued Operation Tax Expense Benefit From Provision For Gain Loss On Disposal DiscontinuedOperationTaxExpenseBenefitFromProvisionForGainLossOnDisposal	-5302000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	57000	USD
CY2014Q4	us-gaap	Inventories Property Held For Sale Current InventoriesPropertyHeldForSaleCurrent	123000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Prepaid And Other Assets Current DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent	4000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Assets DisposalGroupIncludingDiscontinuedOperationOtherAssets	22000	USD
CY2014Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	206000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Payable And Accrued Liabilities Current DisposalGroupIncludingDiscontinuedOperationAccountsPayableAndAccruedLiabilitiesCurrent	4858000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Other Liabilities DisposalGroupIncludingDiscontinuedOperationOtherLiabilities	2756000	USD
CY2013	med	Charges For Expenses Incurred ChargesForExpensesIncurred	1361000	USD
CY2014	med	Charges For Expenses Incurred ChargesForExpensesIncurred	6006000	USD
CY2013	med	Payments For Expenses Incurred PaymentsForExpensesIncurred	0	USD
CY2014	med	Payments For Expenses Incurred PaymentsForExpensesIncurred	833000	USD
CY2014	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	7000	shares
CY2014	us-gaap	Operating Leases Rent Expense Sublease Rentals1 OperatingLeasesRentExpenseSubleaseRentals1	3800000	USD
CY2012	us-gaap	Equipment Expense EquipmentExpense	1800000	USD
CY2013	us-gaap	Equipment Expense EquipmentExpense	1400000	USD
CY2014	us-gaap	Equipment Expense EquipmentExpense	1200000	USD
CY2013	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-1690000	USD
CY2014	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-5302000	USD
CY2012	med	Unrealized Gain Loss On Investment Securites Income Tax Effect UnrealizedGainLossOnInvestmentSecuritesIncomeTaxEffect	83000	USD
CY2013	med	Unrealized Gain Loss On Investment Securites Income Tax Effect UnrealizedGainLossOnInvestmentSecuritesIncomeTaxEffect	143000	USD
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2014	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	62713	shares
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	5371000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6633000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	8649000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities Current DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent	3778000	USD
CY2014Q4	us-gaap	Disposal Group Including Discontinued Operation Accrued Liabilities DisposalGroupIncludingDiscontinuedOperationAccruedLiabilities	6534000	USD
CY2012	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-1332000	USD
CY2014	med	Unrealized Gain Loss On Investment Securites Income Tax Effect UnrealizedGainLossOnInvestmentSecuritesIncomeTaxEffect	-182000	USD
CY2012	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	7400000	USD
CY2013	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	9978000	USD
CY2014	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	4905000	USD
CY2014	us-gaap	Legal Fees LegalFees	2600000	USD
CY2014	invest	Investment Warrants Expiration Date InvestmentWarrantsExpirationDate	2015-08-28
CY2014	med	Lease Expiration Year LeaseExpirationYear	2016

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MEDIFAST INC Stock $med

2014 Q4 Form 10-K Financial Statement

#000114420415016333 Filed on March 16, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MED MEDIFAST INC Stock $med

2014 Q4 Form 10-K Financial Statement

#000114420415016333 Filed on March 16, 2015

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$MED
MEDIFAST INC Stock $med