$RFIL
R F INDUSTRIES LTD Stock $rfil

$rfil Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000114420418065721 Filed on December 20, 2018

Income Statement

Concept	2018 Q4	2018	2017 Q4
Revenue	$3.630M	$50.20M	$920.0K
YoY Change	294.57%	118.4%	-88.61%
Cost Of Revenue	$2.240M	$33.10M	-$40.00K
YoY Change	-5700.0%	106.9%	-100.65%
Gross Profit	$1.390M	$17.10M	$960.0K
YoY Change	44.79%	144.74%	-51.02%
Gross Profit Margin	38.29%	34.07%	104.35%
Selling, General & Admin	$430.0K	$8.173M	$470.0K
YoY Change	-8.51%	37.13%	-79.57%
% of Gross Profit	30.94%	47.8%	48.96%
Research & Development	$230.0K	$1.480M	$180.0K
YoY Change	27.78%	79.61%	-5.26%
% of Gross Profit	16.55%	8.65%	18.75%
Depreciation & Amortization	$130.0K	$510.0K	-$140.0K
YoY Change	-192.86%	0.0%	-151.85%
% of Gross Profit	9.35%	2.98%	-14.58%
Operating Expenses	$650.0K	$9.653M	$650.0K
YoY Change	0.0%	42.29%	-73.9%
Operating Profit	$740.0K	$7.447M	$310.0K
YoY Change	138.71%	3568.47%	-158.49%
Interest Expense
YoY Change
% of Operating Profit
Other Income/Expense, Net	$30.00K	$47.00K	$10.00K
YoY Change	200.0%	62.07%	0.0%
Pretax Income	$760.0K	$7.494M	$320.0K
YoY Change	137.5%	3130.17%	-109.52%
Income Tax	$120.0K	$1.468M	$120.0K
% Of Pretax Income	15.79%	19.59%	37.5%
Net Earnings	$460.0K	$5.846M	$310.0K
YoY Change	48.39%	1430.37%	-110.23%
Net Earnings / Revenue	12.67%	11.65%	33.7%
Basic Earnings Per Share		$0.64
Diluted Earnings Per Share	$45.82K	$0.61	$33.84K
COMMON SHARES
Basic Shares Outstanding	9.293M shares	9.105M shares
Diluted Shares Outstanding		9.593M shares

Balance Sheet

Concept	2018 Q4	2018	2017 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$16.33M	$16.33M	$5.210M
YoY Change	213.44%	213.44%	-0.95%
Cash & Equivalents	$16.33M	$16.33M	$6.039M
Short-Term Investments
Other Short-Term Assets	$828.0K	$830.0K	$506.0K
YoY Change	63.64%	-73.57%	-64.76%
Inventory	$7.113M	$7.110M	$5.543M
Prepaid Expenses	$228.0K		$294.0K
Receivables	$4.255M	$4.260M	$2.903M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$28.53M	$28.53M	$16.79M
YoY Change	69.89%	69.92%	0.0%
LONG-TERM ASSETS
Property, Plant & Equipment	$559.0K	$560.0K	$565.0K
YoY Change	-1.06%	-1.75%	-31.76%
Goodwill	$1.340M		$1.340M
YoY Change	0.0%		-58.37%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$49.00K	$50.00K	$70.00K
YoY Change	-30.0%	-98.77%	-50.35%
Total Long-Term Assets	$3.972M	$3.970M	$8.267M
YoY Change	-51.95%	-52.0%	-8.59%
TOTAL ASSETS
Total Short-Term Assets	$28.53M	$28.53M	$16.79M
Total Long-Term Assets	$3.972M	$3.970M	$8.267M
Total Assets	$32.50M	$32.50M	$25.06M
YoY Change	29.7%	29.69%	-3.01%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.342M	$1.340M	$1.036M
YoY Change	29.54%	28.85%	-8.96%
Accrued Expenses	$3.377M	$3.380M	$1.791M
YoY Change	88.55%	88.83%	-35.34%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$4.719M	$4.720M	$3.598M
YoY Change	31.16%	31.11%	-7.93%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$0.00		$0.00
YoY Change			-100.0%
Total Long-Term Liabilities	$0.00	$0.00	$0.00
YoY Change			-100.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.719M	$4.720M	$3.598M
Total Long-Term Liabilities	$0.00	$0.00	$0.00
Total Liabilities	$4.719M	$4.720M	$3.717M
YoY Change	26.96%	26.88%	-16.38%
SHAREHOLDERS EQUITY
Retained Earnings	$6.716M		$1.600M
YoY Change	319.75%		-16.88%
Common Stock	$21.07M		$19.74M
YoY Change	6.71%		1.42%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$27.78M	$27.78M	$21.34M
YoY Change
Total Liabilities & Shareholders Equity	$32.50M	$32.50M	$25.06M
YoY Change	29.7%	29.69%	-3.01%

Cashflow Statement

Concept	2018 Q4	2018	2017 Q4
OPERATING ACTIVITIES
Net Income	$460.0K	$5.846M	$310.0K
YoY Change	48.39%	1430.37%	-110.23%
Depreciation, Depletion And Amortization	$130.0K	$510.0K	-$140.0K
YoY Change	-192.86%	0.0%	-151.85%
Cash From Operating Activities	$1.030M	$6.220M	$790.0K
YoY Change	30.38%	289.48%	-2.47%
INVESTING ACTIVITIES
Capital Expenditures	-$120.0K	$266.0K	-$130.0K
YoY Change	-7.69%	55.56%	1200.0%
Acquisitions
YoY Change
Other Investing Activities	$3.930M	$3.960M	$0.00
YoY Change
Cash From Investing Activities	$3.810M	$3.700M	-$130.0K
YoY Change	-3030.77%	-2263.74%	1200.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-90.00K	$383.0K	-120.0K
YoY Change	-25.0%	-159.2%	-36.84%
NET CHANGE
Cash From Operating Activities	1.030M	6.220M	790.0K
Cash From Investing Activities	3.810M	3.700M	-130.0K
Cash From Financing Activities	-90.00K	$383.0K	-120.0K
Net Change In Cash	4.750M	$383.0K	540.0K
YoY Change	779.63%	-50.83%	-11.48%
FREE CASH FLOW
Cash From Operating Activities	$1.030M	$6.220M	$790.0K
Capital Expenditures	-$120.0K	$266.0K	-$130.0K
Free Cash Flow	$1.150M	$5.954M	$920.0K
YoY Change	25.0%	317.53%	12.2%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	16334000	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5208000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4255000	USD
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2903000	USD
CY2018Q4	us-gaap	Inventory Net InventoryNet	7113000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	28530000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	16793000	USD
CY2018Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	3210000	USD
CY2017Q4	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	3088000	USD
CY2018Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	822000	USD
CY2017Q4	us-gaap	Furniture And Fixtures Gross FurnitureAndFixturesGross	802000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	4032000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	3890000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3473000	USD
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	3325000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	559000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	565000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	1340000	USD
CY2017Q4	us-gaap	Goodwill Goodwill	1340000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	49000	USD
CY2017	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	824000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8173000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	70000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1342000	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1036000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4719000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3598000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	0	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	119000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	4719000	USD
CY2017Q4	us-gaap	Liabilities Liabilities	3717000	USD
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	93000	USD
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	89000	USD
CY2018Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	20974000	USD
CY2017Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	19654000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	6716000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1600000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	27783000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	21343000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	32502000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25060000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	88000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	73000	USD
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2018Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	20000000	shares
CY2017Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	9291201	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	8872246	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	9291201	shares
CY2017Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	8872246	shares
CY2018	us-gaap	Revenues Revenues	50196000	USD
CY2017	us-gaap	Revenues Revenues	22983000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	33096000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	15996000	USD
CY2018	us-gaap	Gross Profit GrossProfit	17100000	USD
CY2017	us-gaap	Gross Profit GrossProfit	6987000	USD
CY2018	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1480000	USD
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family: "times new roman", times, serif; font-size: 10pt; margin-bottom: 0px; margin-top: 0px; margin-right: 0px;"><div style="font-family: "times new roman", times, serif; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;">Use of estimates </div></div></div><div style="font-family: "times new roman", times, serif; font-size: 10pt; margin-bottom: 0px; margin-top: 0px; margin-right: 0px; background: none;"><div style="white-space: pre-line; font-family: "times new roman", times, serif; font-size: 10pt; color: rgb(0, 0, 0); background: none; text-decoration: none; letter-spacing: 0px; top: 0px;;display:inline;"><div style="font-weight:bold;display:inline;"> </div></div></div><div style="font-family: "times new roman", times, serif; font-size: 10pt; margin-bottom: 0px; margin-top: 0px; text-indent: 0.5in; margin-right: 0px;"><div style="font-family: "times new roman", times, serif; font-size: 10pt; color: rgb(0, 0, 0); letter-spacing: 0px; top: 0px;;display:inline;">The preparation of consolidated financial statements in conformity with accounting principles generally accepted in the United States of America requires management to make estimates and assumptions that affect certain reported amounts and disclosures. Actual results may differ from those estimates.</div></div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2018	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	47000	USD
CY2017	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	29000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	7494000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	232000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1468000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	62000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	6026000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	170000	USD
CY2018Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	657000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	5960000	USD
CY2018	us-gaap	Operating Expenses OperatingExpenses	9653000	USD
CY2017	us-gaap	Operating Expenses OperatingExpenses	6784000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	7447000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	203000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	5846000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	382000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.66
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.02
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	-0.02
CY2017	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Basic Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare	0.02
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.63
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.02
CY2018	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	-0.02
CY2017	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.02
CY2017Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	236000	USD
CY2016Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	835000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	210000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements	578000	USD
CY2018	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-26000	USD
CY2017	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease	-21000	USD
CY2018Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	0	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1642000	USD
CY2017Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	657000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	275000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	275000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	136000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	89000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	79000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	513000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	1367000	USD
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	9105406	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	8840895	shares
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	487660	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	74869	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	9593066	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	8915764	shares
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.04
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.61
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.04
CY2018Q2	rfil	Earnout Payment EarnoutPayment	800000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	275000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	275000	USD
CY2018	us-gaap	Advertising Expense AdvertisingExpense	236000	USD
CY2017	us-gaap	Advertising Expense AdvertisingExpense	125000	USD
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	133220	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	737512	shares
CY2018Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	15400000	USD
CY2018Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	2711000	USD
CY2017Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	1956000	USD
CY2018Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	603000	USD
CY2017Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	192000	USD
CY2018Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3799000	USD
CY2017Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	3395000	USD
CY2017Q4	us-gaap	Inventory Net InventoryNet	5543000	USD
CY2017	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	174000	USD
CY2017	us-gaap	Discontinued Operation Provision For Loss Gain On Disposal Before Income Tax DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax	-68000	USD
CY2017	rfil	Income From Discontinued Operation IncomeFromDiscontinuedOperation	116000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21392000	USD
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	56000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	6000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	214000	USD
CY2017	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	707000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	21343000	USD
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1113000	USD
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	211000	USD
CY2018	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	730000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	27783000	USD
CY2018	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	8000	USD
CY2017	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	10000	USD
CY2018	us-gaap	Depreciation And Amortization DepreciationAndAmortization	513000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	506000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	211000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	214000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-79000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-290000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1360000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	405000	USD
CY2018	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	1570000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	158000	USD
CY2018	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	321000	USD
CY2017	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-878000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-21000	USD
CY2017	us-gaap	Increase Decrease In Other Noncurrent Assets IncreaseDecreaseInOtherNoncurrentAssets	-72000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	306000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	451000	USD
CY2018	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	1516000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-486000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	266000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	171000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	3969000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-171000	USD
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1113000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	55000	USD
CY2018	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	5000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	730000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	707000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	383000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-647000	USD
CY2018	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	10295000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	781000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	0	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	-128000	USD
CY2018	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	4200000	USD
CY2017	us-gaap	Proceeds From Sale Of Intangible Assets ProceedsFromSaleOfIntangibleAssets	0	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5258000	USD
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	1826000	USD
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	349000	USD
CY2018	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	945000	USD
CY2017	us-gaap	Cash Provided By Used In Operating Activities Discontinued Operations CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations	831000	USD
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.4683	pure
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.4330	pure
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0328	pure
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0500	pure
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y6M
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P4Y3M18D
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0187	pure
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	7494000	USD
CY2018Q4	us-gaap	Assets Assets	32502000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	232000	USD
CY2017Q4	us-gaap	Assets Assets	25060000	USD
CY2018Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	1705000	USD
CY2017Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	778000	USD
CY2018Q4	rfil	Accrued Inventory Receipts Current AccruedInventoryReceiptsCurrent	1271000	USD
CY2017Q4	rfil	Accrued Inventory Receipts Current AccruedInventoryReceiptsCurrent	487000	USD
CY2018Q4	rfil	Accrued Earn Out Liability AccruedEarnOutLiability	0	USD
CY2017Q4	rfil	Accrued Earn Out Liability AccruedEarnOutLiability	220000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	401000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	306000	USD
CY2018Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	3377000	USD
CY2017Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1791000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1737000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	79000	USD
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensebusiness Acquisition Earn Out Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpensebusinessAcquisitionEarnOutAmount	-6000	USD
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensebusiness Acquisition Earn Out Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpensebusinessAcquisitionEarnOutAmount	-9000	USD
CY2018	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	-141000	USD
CY2017	us-gaap	Income Tax Reconciliation Deductions Qualified Production Activities IncomeTaxReconciliationDeductionsQualifiedProductionActivities	-59000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	8000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	12000	USD
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense Temporary Trueups Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTemporaryTrueupsAmount	0	USD
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense Temporary Trueups Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTemporaryTrueupsAmount	0	USD
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense State Tax Refunds Net Of Federal Expense Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseStateTaxRefundsNetOfFederalExpenseAmount	0	USD
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense State Tax Refunds Net Of Federal Expense Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseStateTaxRefundsNetOfFederalExpenseAmount	-3000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Research And Development IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment	111000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Research And Development IncomeTaxReconciliationNondeductibleExpenseResearchAndDevelopment	37000	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	5000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	-21000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	170000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	6000	USD
CY2018Q4	us-gaap	Prepaid Taxes PrepaidTaxes	335000	USD
CY2017Q4	us-gaap	Prepaid Taxes PrepaidTaxes	21000	USD
CY2018Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	228000	USD
CY2017Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	294000	USD
CY2018Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	20000	USD
CY2017Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	82000	USD
CY2018Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	245000	USD
CY2017Q4	us-gaap	Other Assets Miscellaneous Current OtherAssetsMiscellaneousCurrent	109000	USD
CY2018Q4	us-gaap	Other Assets Current OtherAssetsCurrent	828000	USD
CY2017Q4	us-gaap	Other Assets Current OtherAssetsCurrent	506000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-180000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	212000	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2018	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	0	USD
CY2017	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	66000	USD
CY2018	us-gaap	Proceeds From Collection Of Lease Receivables ProceedsFromCollectionOfLeaseReceivables	34000	USD
CY2017	us-gaap	Proceeds From Collection Of Lease Receivables ProceedsFromCollectionOfLeaseReceivables	0	USD
CY2018	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	-272000	USD
CY2017	us-gaap	Cash Provided By Used In Investing Activities Discontinued Operations CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations	0	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	664000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	504000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	448000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	262000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	1879000	USD
CY2018Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	93000	USD
CY2017Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	95000	USD
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	546000	USD
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	519000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.02
CY2017	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.02
CY2018	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	831000	USD
CY2016Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value Including Discontinued Operations CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations	6039000	USD
CY2016Q4	us-gaap	Cash And Cash Equivalents At Carrying Value Including Discontinued Operations CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations	5258000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Cash And Cash Equivalents DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents	0	USD
CY2018	rfil	Non Cash Or Part Of Non Cash Disposal Of Fully Depreciated Property And Equipment NonCashOrPartOfNonCashDisposalOfFullyDepreciatedPropertyAndEquipment	90000	USD
CY2017	rfil	Non Cash Or Part Of Non Cash Disposal Of Fully Depreciated Property And Equipment NonCashOrPartOfNonCashDisposalOfFullyDepreciatedPropertyAndEquipment	0	USD
CY2018	rfil	Write Off Of Deferred Rent From Sale Of Comnet WriteOffOfDeferredRentFromSaleOfComnet	9000	USD
CY2017	rfil	Write Off Of Deferred Rent From Sale Of Comnet WriteOffOfDeferredRentFromSaleOfComnet	0	USD
CY2018	us-gaap	Payments For Rent PaymentsForRent	156000	USD
CY2018Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group Current AssetsHeldForSaleNotPartOfDisposalGroupCurrent	0	USD
CY2017Q4	us-gaap	Assets Held For Sale Not Part Of Disposal Group Current AssetsHeldForSaleNotPartOfDisposalGroupCurrent	2633000	USD
CY2018Q4	rfil	Assets Heldforsale Not Part Of Disposal Group Non Current AssetsHeldforsaleNotPartOfDisposalGroupNonCurrent	0	USD
CY2017Q4	rfil	Assets Heldforsale Not Part Of Disposal Group Non Current AssetsHeldforsaleNotPartOfDisposalGroupNonCurrent	3993000	USD
CY2018Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	0	USD
CY2017Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation	771000	USD
CY2018	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	159000	USD
CY2017	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	144000	USD
CY2018	rfil	Percentage Of Employee Contribution Paid PercentageOfEmployeeContributionPaid	0.03	pure
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value Including Discontinued Operations CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations	16334000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	5270000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	768000	USD
CY2018	us-gaap	Present Value Of Future Insurance Profits Weighted Average Amortization Period PresentValueOfFutureInsuranceProfitsWeightedAverageAmortizationPeriod	P9Y5M23D
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.026	pure
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0120	pure
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.82
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.39
CY2018	rfil	Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageGrantDateFairValue	2.64
CY2017	rfil	Share Based Compensation Arrangement By Share Based Payment Award Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageGrantDateFairValue	1.95
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	675033	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	926272	shares
CY2018	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	1.90
CY2018	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	5.88
CY2017	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	1.07
CY2017	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	6.91
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	4.98
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	4.10
CY2010Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1000000	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	100000	shares
CY2017Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	10000	shares
CY2017Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights	10,000
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	80000	shares
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	8000	shares
CY2017Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Rights ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingRights	8,000
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y6M
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y2M23D
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1	P4Y5M26D
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4411000	USD
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	3205000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	4391000	USD
CY2018Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	261000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P6Y7M20D
CY2018Q4	rfil	Nonemployee Director Annual Grant NonemployeeDirectorAnnualGrant	50000	USD
CY2018Q1	us-gaap	Share Based Goods And Nonemployee Services Transaction Quantity Of Securities Issued ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued	37927	shares
CY2018	rfil	Share Based Goods And Non Employee Services Transaction Value Of Stock Option Issued ShareBasedGoodsAndNonEmployeeServicesTransactionValueOfStockOptionIssued	25000	USD
CY2018Q4	us-gaap	Share Price SharePrice	0.659
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-204000	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	52000	USD
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense Asc74010 Liability Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseASC74010LiabilityAmount	54000	USD
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense Asc74010 Liability Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseASC74010LiabilityAmount	0	USD
CY2018	rfil	Effective Income Tax Rate Reconciliation Tax Cut And Jobs Creation Act Of2004 Amount EffectiveIncomeTaxRateReconciliationTaxCutAndJobsCreationActOf2004Amount	-34000	USD
CY2017	rfil	Effective Income Tax Rate Reconciliation Tax Cut And Jobs Creation Act Of2004 Amount EffectiveIncomeTaxRateReconciliationTaxCutAndJobsCreationActOf2004Amount	0	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	322000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	184000	USD
CY2018Q4	rfil	Deferred Tax Assets Tax Deferred Expense Uniform Capitalization DeferredTaxAssetsTaxDeferredExpenseUniformCapitalization	78000	USD
CY2017Q4	rfil	Deferred Tax Assets Tax Deferred Expense Uniform Capitalization DeferredTaxAssetsTaxDeferredExpenseUniformCapitalization	130000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	93000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	70000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	676000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	881000	USD
CY2018	rfil	Provision For Income Tax Expense Percent ProvisionForIncomeTaxExpensePercent	0.195	pure
CY2017	rfil	Provision For Income Tax Expense Percent ProvisionForIncomeTaxExpensePercent	0.269	pure
CY2018	us-gaap	Discontinued Operation Amount Of Adjustment To Prior Period Gain Loss On Disposal Before Income Tax DiscontinuedOperationAmountOfAdjustmentToPriorPeriodGainLossOnDisposalBeforeIncomeTax	221000	USD
CY2017	us-gaap	Discontinued Operation Amount Of Adjustment To Prior Period Gain Loss On Disposal Before Income Tax DiscontinuedOperationAmountOfAdjustmentToPriorPeriodGainLossOnDisposalBeforeIncomeTax	168000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	24000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	29000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	0	USD
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	6000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	59000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Notes And Loans Receivable Net DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet	998000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Inventory Current DisposalGroupIncludingDiscontinuedOperationInventoryCurrent	566000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Other Current Assets DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets	239000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Property Plant And Equipment Current DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentCurrent	146000	USD
CY2017Q4	rfil	Disposal Group Including Discontinued Operation Non Amortizable Intangibles DisposalGroupIncludingDiscontinuedOperationNonAmortizableIntangibles	580000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Intangible Assets Current DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsCurrent	1387000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Goodwill Current DisposalGroupIncludingDiscontinuedOperationGoodwillCurrent	1879000	USD
CY2017Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	6626000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Accounts Payable DisposalGroupIncludingDiscontinuedOperationAccountsPayable	320000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Other Liabilities DisposalGroupIncludingDiscontinuedOperationOtherLiabilities	451000	USD
CY2018	us-gaap	Business Combination Consideration Transferred1 BusinessCombinationConsiderationTransferred1	4200000	USD
CY2017	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	72000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	276000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	375000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	116000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	122000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	113000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1344000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	236000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	12000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	1580000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	334000	USD
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.232	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.341	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.023	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.026	pure
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensebusiness Acquisition Earn Outpercent EffectiveIncomeTaxRateReconciliationNondeductibleExpensebusinessAcquisitionEarnOutpercent	-0.001	pure
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensebusiness Acquisition Earn Outpercent EffectiveIncomeTaxRateReconciliationNondeductibleExpensebusinessAcquisitionEarnOutpercent	-0.039	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.019	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Deductions Qualified Production Activities EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities	0.254	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.027	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.224	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.001	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Meals And Entertainment EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment	0.052	pure
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensetemporary Trueupspercent EffectiveIncomeTaxRateReconciliationNondeductibleExpensetemporaryTrueupspercent	0.000	pure
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensetemporary Trueupspercent EffectiveIncomeTaxRateReconciliationNondeductibleExpensetemporaryTrueupspercent	0.000	pure
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensesstate Tax Refunds Net Of Federal Expensepercent EffectiveIncomeTaxRateReconciliationNondeductibleExpensesstateTaxRefundsNetOfFederalExpensepercent	-0.000	pure
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expensesstate Tax Refunds Net Of Federal Expensepercent EffectiveIncomeTaxRateReconciliationNondeductibleExpensesstateTaxRefundsNetOfFederalExpensepercent	0.013	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.015	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Research And Development EffectiveIncomeTaxRateReconciliationNondeductibleExpenseResearchAndDevelopment	0.159	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Foreign Earnings Jobs Creation Act Of2004 EffectiveIncomeTaxRateReconciliationRepatriationForeignEarningsJobsCreationActOf2004	0.005	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Repatriation Foreign Earnings Jobs Creation Act Of2004 EffectiveIncomeTaxRateReconciliationRepatriationForeignEarningsJobsCreationActOf2004	-0.000	pure
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	-0.001	pure
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Other EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther	0.091	pure
CY2018	rfil	Effective Income Tax Rate Reconciliation Net EffectiveIncomeTaxRateReconciliationNet	0.195	pure
CY2017	rfil	Effective Income Tax Rate Reconciliation Net EffectiveIncomeTaxRateReconciliationNet	0.269	pure
CY2018	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense Asc74010 Liability Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseASC74010LiabilityPercent	0.007	pure
CY2017	rfil	Effective Income Tax Rate Reconciliation Nondeductible Expense Asc74010 Liability Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseASC74010LiabilityPercent	0.000	pure
CY2018Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	544000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	805000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	132000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	195000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	0	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	676000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1000000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	119000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-112000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-273000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1000	USD
CY2018	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-112000	USD
CY2017	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-272000	USD
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--10-31
CY2018	dei	Entity Registrant Name EntityRegistrantName	R F INDUSTRIES LTD
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0000740664
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-10-31
CY2018Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2017Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2018	us-gaap	Discontinued Operation Tax Effect Of Discontinued Operation DiscontinuedOperationTaxEffectOfDiscontinuedOperation	-41000	USD
CY2018	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	1427000	USD
CY2017	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	134000	USD
CY2018	dei	Document Type DocumentType	10-K
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2018Q2	dei	Entity Public Float EntityPublicFloat	47100000	USD
CY2018	dei	Trading Symbol TradingSymbol	RFIL
CY2018Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	9292701	shares
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Small Business EntitySmallBusiness	true
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	41000	USD
CY2018Q4	rfil	Issued And Outstanding Shares Percentage For Sold Of Subsidiary IssuedAndOutstandingSharesPercentageForSoldOfSubsidiary	1	pure

Files In Submission

Name	View Source	Status
0001144204-18-065721-index-headers.html	Edgar Link	pending
0001144204-18-065721-index.html	Edgar Link	pending
0001144204-18-065721.txt	Edgar Link	pending
0001144204-18-065721-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
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R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
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R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
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R4.htm	Edgar Link	pending
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R5.htm	Edgar Link	pending
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R51.htm	Edgar Link	pending
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R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
rfil-20181031.xml	Edgar Link	completed
rfil-20181031.xsd	Edgar Link	pending
rfil-20181031_cal.xml	Edgar Link	unprocessable
rfil-20181031_def.xml	Edgar Link	unprocessable
rfil-20181031_lab.xml	Edgar Link	unprocessable
rfil-20181031_pre.xml	Edgar Link	unprocessable
Show.js	Edgar Link	pending
tv509107_10k.htm	Edgar Link	pending
tv509107_ex10-24.htm	Edgar Link	pending
tv509107_ex10-25.htm	Edgar Link	pending
tv509107_ex21-1.htm	Edgar Link	pending
tv509107_ex23-1.htm	Edgar Link	pending
tv509107_ex31-1.htm	Edgar Link	pending
tv509107_ex31-2.htm	Edgar Link	pending
tv509107_ex32-1.htm	Edgar Link	pending
tv509107_ex32-2.htm	Edgar Link	pending

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$RFIL
R F INDUSTRIES LTD Stock $rfil

2018 Q4 Form 10-K Financial Statement

#000114420418065721 Filed on December 20, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RFIL R F INDUSTRIES LTD Stock $rfil

2018 Q4 Form 10-K Financial Statement

#000114420418065721 Filed on December 20, 2018

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RFIL
R F INDUSTRIES LTD Stock $rfil