$TGEN
TECOGEN INC. Stock $tgen

$tgen Overview Financials Valuation SEC Filings Company Website

2012 Q4 Form 10-K Financial Statement

#000153743514000005 Filed on March 31, 2014

Income Statement

Concept	2012 Q4	2012
Revenue	$5.560M	$15.25M
YoY Change	136.6%	37.86%
Cost Of Revenue	$3.690M	$9.389M
YoY Change	171.32%	51.95%
Gross Profit	$1.880M	$5.865M
YoY Change	89.9%	20.04%
Gross Profit Margin	33.81%	38.45%
Selling, General & Admin	$2.100M	$7.869M
YoY Change	11.11%	16.25%
% of Gross Profit	111.7%	134.16%
Research & Development		$431.0K
YoY Change
% of Gross Profit		7.35%
Depreciation & Amortization	$50.00K	$203.8K
YoY Change	25.0%	28.74%
% of Gross Profit	2.66%	3.47%
Operating Expenses	$2.100M	$8.300M
YoY Change	11.11%	22.61%
Operating Profit	-$220.0K	-$2.004M
YoY Change	-75.56%	6.41%
Interest Expense	-$10.00K	$71.21K
YoY Change		76.72%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$230.0K	-$2.026M
YoY Change	-74.73%	7.52%
Income Tax	$0.00	$0.00
% Of Pretax Income
Net Earnings	-$130.0K	-$1.637M
YoY Change	-83.54%	3.97%
Net Earnings / Revenue	-2.34%	-10.73%
Basic Earnings Per Share
Diluted Earnings Per Share	-$0.01	-$0.12
COMMON SHARES
Basic Shares Outstanding
Diluted Shares Outstanding

Balance Sheet

Concept	2012 Q4	2012
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.750M	$1.750M
YoY Change	-52.7%	-52.7%
Cash & Equivalents	$7.714M	$1.570M
Short-Term Investments	$180.0K	$180.0K
Other Short-Term Assets	$400.0K	$400.0K
YoY Change	263.64%	263.64%
Inventory	$3.357M	$3.360M
Prepaid Expenses
Receivables	$2.700M
Other Receivables
Total Short-Term Assets	$8.270M	$8.270M
YoY Change	2.32%	2.35%
LONG-TERM ASSETS
Property, Plant & Equipment	$435.6K	$440.0K
YoY Change	12.92%	12.82%
Goodwill	$0.00
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$39.43K	$40.00K
YoY Change	11.29%	0.0%
Total Long-Term Assets	$847.1K	$850.0K
YoY Change	27.79%	26.87%
TOTAL ASSETS
Total Short-Term Assets	$8.270M	$8.270M
Total Long-Term Assets	$847.1K	$850.0K
Total Assets	$9.117M	$9.120M
YoY Change	4.25%	4.23%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.151M	$1.150M
YoY Change	41.71%	41.98%
Accrued Expenses	$807.9K	$930.0K
YoY Change	11.06%	17.72%
Deferred Revenue
YoY Change
Short-Term Debt	$1.340M	$1.340M
YoY Change	28.85%	28.85%
Long-Term Debt Due	$90.00K	$90.00K
YoY Change
Total Short-Term Liabilities	$4.191M	$4.190M
YoY Change	33.17%	33.02%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00
YoY Change	-100.0%	-100.0%
Other Long-Term Liabilities	$140.0K	$140.0K
YoY Change	-22.22%	-22.22%
Total Long-Term Liabilities	$140.0K	$140.0K
YoY Change	-62.16%	-62.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$4.191M	$4.190M
Total Long-Term Liabilities	$140.0K	$140.0K
Total Liabilities	$4.334M	$4.500M
YoY Change	23.05%	22.62%
SHAREHOLDERS EQUITY
Retained Earnings	-$11.76M
YoY Change	16.17%
Common Stock	$13.61K
YoY Change	-74.79%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$4.615M	$4.610M
YoY Change
Total Liabilities & Shareholders Equity	$9.117M	$9.120M
YoY Change	4.25%	4.23%

Cashflow Statement

Concept	2012 Q4	2012
OPERATING ACTIVITIES
Net Income	-$130.0K	-$1.637M
YoY Change	-83.54%	3.97%
Depreciation, Depletion And Amortization	$50.00K	$203.8K
YoY Change	25.0%	28.74%
Cash From Operating Activities	$400.0K	-$3.153M
YoY Change	-147.62%	30.84%
INVESTING ACTIVITIES
Capital Expenditures	-$110.0K	$219.7K
YoY Change	22.22%	90.74%
Acquisitions
YoY Change
Other Investing Activities	$0.00	$510.0K
YoY Change	-100.0%	-185.0%
Cash From Investing Activities	-$120.0K	$122.3K
YoY Change	-57.14%	-116.33%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$680.0K
YoY Change		-81.17%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	600.0K	$1.585M
YoY Change	-79.52%	-63.56%
NET CHANGE
Cash From Operating Activities	400.0K	-$3.153M
Cash From Investing Activities	-120.0K	$122.3K
Cash From Financing Activities	600.0K	$1.585M
Net Change In Cash	880.0K	-$1.446M
YoY Change	-51.38%	-221.45%
FREE CASH FLOW
Cash From Operating Activities	$400.0K	-$3.153M
Capital Expenditures	-$110.0K	$219.7K
Free Cash Flow	$510.0K	-$3.372M
YoY Change	-168.0%	33.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2012Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1151010	USD
CY2013Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	2338046	USD
CY2013Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3740885	USD
CY2012Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2700243	USD
CY2012Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	807922	USD
CY2013Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1139554	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	480037	USD
CY2013Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	679853	USD
CY2012Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	16360821	USD
CY2013Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	22463996	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	195545	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	18367	USD
CY2013	us-gaap	Advertising Cost Policy Expensed Advertising Cost AdvertisingCostPolicyExpensedAdvertisingCost	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Advertising Costs</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company expenses the costs of advertising as incurred.</font></div></div>
CY2012	us-gaap	Advertising Expense AdvertisingExpense	187500	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	242200	USD
CY2013Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	103800	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	154400	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	56643	USD
CY2012	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	33896	USD
CY2013Q4	us-gaap	Assets Assets	17630069	USD
CY2012Q4	us-gaap	Assets Assets	9117249	USD
CY2012Q4	us-gaap	Assets Current AssetsCurrent	8270192	USD
CY2013Q4	us-gaap	Assets Current AssetsCurrent	15925421	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	7713899	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1572785	USD
CY2011Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3018566	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	6141114	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-1445781	USD
CY2013Q4	us-gaap	Cash Fdic Insured Amount CashFDICInsuredAmount	250000	USD
CY2013Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	7410000	USD
CY2012Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	1070000	USD
CY2013Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2013Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2013Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	15156600	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	13611974	shares
CY2012Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13611974	shares
CY2013Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	15156600	shares
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	13612	USD
CY2013Q4	us-gaap	Common Stock Value CommonStockValue	15155	USD
CY2013	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Concentration of Credit Risk</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company’s financial instruments that are exposed to concentrations of credit risk consist primarily of cash and cash equivalents, short-term investments and accounts receivable. The Company maintains its cash balances in bank accounts, which at times may exceed the Federal Deposit Insurance Corporation’s (“FDIC”) general deposit insurance limits.</font></div></div>
CY2012	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	-1522309	USD
CY2013	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Change Due To Net Income Attributable To Parent And Effects Of Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangeDueToNetIncomeAttributableToParentAndEffectsOfChangesNet	-3449489	USD
CY2013	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Issuance Of Equity By Subsidiary To Noncontrolling Interests ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesIssuanceOfEquityBySubsidiaryToNoncontrollingInterests	0	USD
CY2012	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Issuance Of Equity By Subsidiary To Noncontrolling Interests ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesIssuanceOfEquityBySubsidiaryToNoncontrollingInterests	289606	USD
CY2013	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet	0	USD
CY2012	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Net ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet	114648	USD
CY2012	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Purchase Of Interest By Parent ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent	174958	USD
CY2013	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Purchase Of Interest By Parent ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent	0	USD
CY2012	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	9388898	USD
CY2013	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	10819741	USD
CY2013	us-gaap	Cost Of Goods Sold CostOfGoodsSold	4709767	USD
CY2012	us-gaap	Cost Of Goods Sold CostOfGoodsSold	5290535	USD
CY2012	us-gaap	Cost Of Services CostOfServices	4098363	USD
CY2013	us-gaap	Cost Of Services CostOfServices	6109974	USD
CY2012Q4	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs CostsInExcessOfBillingsOnUncompletedContractsOrPrograms	0	USD
CY2013Q4	us-gaap	Costs In Excess Of Billings On Uncompleted Contracts Or Programs CostsInExcessOfBillingsOnUncompletedContractsOrPrograms	646398	USD
CY2013Q4	us-gaap	Deferred Finance Costs Current Net DeferredFinanceCostsCurrentNet	140433	USD
CY2012Q4	us-gaap	Deferred Finance Costs Current Net DeferredFinanceCostsCurrentNet	0	USD
CY2013Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	613915	USD
CY2012Q4	us-gaap	Deferred Revenue Current DeferredRevenueCurrent	677919	USD
CY2012Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	142726	USD
CY2013Q4	us-gaap	Deferred Revenue Noncurrent DeferredRevenueNoncurrent	204544	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	4340000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	5760000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	130000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	117000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	0	USD
CY2012Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	0	USD
CY2013Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4850000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3380000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	155000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Property Plant And Equipment DeferredTaxAssetsPropertyPlantAndEquipment	94000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	40000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	60000	USD
CY2013Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	5760000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	4340000	USD
CY2012	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	116850	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	125680	USD
CY2013	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.045
CY2013	us-gaap	Depreciation Depreciation	638026	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	256459	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	203775	USD
CY2012Q4	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	55837	USD
CY2013Q4	us-gaap	Due From Related Parties Current DueFromRelatedPartiesCurrent	0	USD
CY2013Q4	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	119667	USD
CY2012Q4	us-gaap	Due To Related Parties Current DueToRelatedPartiesCurrent	0	USD
CY2012	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.12
CY2013	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.26
CY2009Q2	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	700000	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	134988	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	78345	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	399556	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	80937	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	113560	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	119758	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	119758	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	119758	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	1088315	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	450365	USD
CY2013Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	953327	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	372020	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	6643120	USD
CY2013	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	7018133	USD
CY2012Q4	us-gaap	Goodwill Goodwill	0	USD
CY2013Q4	us-gaap	Goodwill Goodwill	40870	USD
CY2012	us-gaap	Gross Profit GrossProfit	5865074	USD
CY2013	us-gaap	Gross Profit GrossProfit	5030128	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-2026437	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3807211	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	0	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	680000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1280000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1187036	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	338796	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1091242	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1358611	USD
CY2012	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	80459	USD
CY2013	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	331632	USD
CY2012	us-gaap	Increase Decrease In Billing In Excess Of Cost Of Earnings IncreaseDecreaseInBillingInExcessOfCostOfEarnings	0	USD
CY2013	us-gaap	Increase Decrease In Billing In Excess Of Cost Of Earnings IncreaseDecreaseInBillingInExcessOfCostOfEarnings	-646398	USD
CY2013	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	-2186	USD
CY2012	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	127523	USD
CY2013	us-gaap	Increase Decrease In Due From Related Parties IncreaseDecreaseInDueFromRelatedParties	-55837	USD
CY2012	us-gaap	Increase Decrease In Due From Related Parties IncreaseDecreaseInDueFromRelatedParties	-243902	USD
CY2013	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	119667	USD
CY2012	us-gaap	Increase Decrease In Due To Related Parties IncreaseDecreaseInDueToRelatedParties	0	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	760836	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-62229	USD
CY2013	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	33000	USD
CY2012	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4000	USD
CY2012	us-gaap	Interest And Other Income InterestAndOtherIncome	48397	USD
CY2013	us-gaap	Interest And Other Income InterestAndOtherIncome	3958	USD
CY2012	us-gaap	Interest Expense InterestExpense	71208	USD
CY2013	us-gaap	Interest Expense InterestExpense	141065	USD
CY2013	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-137107	USD
CY2012	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-22811	USD
CY2013	us-gaap	Interest Paid InterestPaid	55639	USD
CY2012	us-gaap	Interest Paid InterestPaid	0	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	10441522	USD
CY2013Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	0	USD
CY2012Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	0	USD
CY2012Q4	us-gaap	Inventory Net InventoryNet	3356622	USD
CY2013Q4	us-gaap	Inventory Net InventoryNet	3343793	USD
CY2012Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	3574620	USD
CY2013Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	3539732	USD
CY2012Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	3242620	USD
CY2013Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	3239732	USD
CY2013Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	300000	USD
CY2012Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	332000	USD
CY2012Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	114002	USD
CY2013Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	104061	USD
CY2012Q4	us-gaap	Liabilities Liabilities	4334214	USD
CY2013Q4	us-gaap	Liabilities Liabilities	10564176	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	9117249	USD
CY2013Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	17630069	USD
CY2013Q4	us-gaap	Liabilities Current LiabilitiesCurrent	10359632	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	4191488	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	168325	USD
CY2013Q4	us-gaap	Minority Interest MinorityInterest	-204046	USD
CY2013	us-gaap	Nature Of Operations NatureOfOperations	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Nature of business and operations</font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Tecogen Inc. (the “Company”) (a Delaware Corporation) was organized on November 15, 2000, and acquired the assets and liabilities of the Tecogen Products division of Thermo Power Corporation. The Company produces commercial and industrial, natural-gas-fueled engine-driven, combined heat and power (CHP) products that reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid. Tecogen’s products supply electric power or mechanical power for cooling, while heat from the engine is recovered and purposefully used at a facility. The majority of Company’s customers are located in regions with the highest utility rates, typically California, the Midwest and the Northeast.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">On May 4, 2009 the Company invested </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$8,400</font><font style="font-family:inherit;font-size:10pt;"> in exchange for </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">8,400,000</font><font style="font-family:inherit;font-size:10pt;"> shares of a newly established corporation Ilios Inc., or Ilios. The investment gave the Company a controlling financial interest in Ilios, whose business focus is advanced heating systems for commercial and industrial applications. On May 11, 2009 the Company sold </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">1,400,000</font><font style="font-family:inherit;font-size:10pt;"> shares in Ilios at </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.50</font><font style="font-family:inherit;font-size:10pt;"> per share to </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">two</font><font style="font-family:inherit;font-size:10pt;"> of its existing stockholders in exchange for the extinguishment of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$700,000</font><font style="font-family:inherit;font-size:10pt;"> in demand notes payable, convertible debentures and accrued interest (see </font><font style="font-family:inherit;font-size:10pt;font-style:italic;">Note 7 – Demand notes payable and convertible debentures – related party</font><font style="font-family:inherit;font-size:10pt;">). On July 24, 2009, Ilios sold </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">2,710,000</font><font style="font-family:inherit;font-size:10pt;"> shares of common stock to accredited investors at </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.50</font><font style="font-family:inherit;font-size:10pt;"> per share and raised </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$1,352,500</font><font style="font-family:inherit;font-size:10pt;">. On June 3, 2011, Ilios sold </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">500,000</font><font style="font-family:inherit;font-size:10pt;"> shares of common stock to Tecogen at </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.50</font><font style="font-family:inherit;font-size:10pt;"> per share and raised </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$250,000</font><font style="font-family:inherit;font-size:10pt;"> and on December 29, 2011, Ilios sold </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">1,000,000</font><font style="font-family:inherit;font-size:10pt;"> shares of common stock to Tecogen at </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.50</font><font style="font-family:inherit;font-size:10pt;"> per share and raised </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$500,000</font><font style="font-family:inherit;font-size:10pt;">. On January 19, 2012, Ilios sold </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">1,000,000</font><font style="font-family:inherit;font-size:10pt;"> shares of common stock to an accredited investor and raised </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$500,000</font><font style="font-family:inherit;font-size:10pt;">. On December 28, 2012, Ilios sold </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">1,000,000</font><font style="font-family:inherit;font-size:10pt;"> shares of common stock to Tecogen at </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$0.50</font><font style="font-family:inherit;font-size:10pt;"> per share and raised </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">$500,000</font><font style="font-family:inherit;font-size:10pt;">. As of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December 31, 2013</font><font style="font-family:inherit;font-size:10pt;"> the Company owns a </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">65.0%</font><font style="font-family:inherit;font-size:10pt;"> interest in Ilios and has consolidated Ilios into its financial statements.</font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The accompanying consolidated financial statements include the accounts of the Company and its majority owned subsidiary Ilios, whose business focus is on advanced heating systems for commercial and industrial applications. With the inclusion of unvested restricted stock awards, the Company owns </font><font style="font-family:inherit;font-size:10pt;">63.7%</font><font style="font-family:inherit;font-size:10pt;"> of Ilios.</font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Company’s operations are comprised of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">one</font><font style="font-family:inherit;font-size:10pt;"> business segment. Our business is to manufacture and support highly efficient CHP products based on engines fueled by natural gas.</font></div></div>
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1584663	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	122338	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-916389	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-3152782	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-3384019	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	-1636957	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	-3449489	USD
CY2013	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-357722	USD
CY2012	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-389480	USD
CY2012Q4	us-gaap	Notes Payable Related Parties Classified Current NotesPayableRelatedPartiesClassifiedCurrent	0	USD
CY2013Q4	us-gaap	Notes Payable Related Parties Classified Current NotesPayableRelatedPartiesClassifiedCurrent	3000000	USD
CY2013	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	-3670104	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	-2003626	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	5333143	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	579495	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	499122	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	491920	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	485040	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	535349	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	2742217	USD
CY2013Q4	us-gaap	Operating Leases Future Minimum Payments Receivable OperatingLeasesFutureMinimumPaymentsReceivable	51033	USD
CY2013Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	72425	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	39425	USD
CY2012	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	USD
CY2013	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	140433	USD
CY2012	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	164296	USD
CY2013	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	397950	USD
CY2012	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	219711	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	202700	USD
CY2013Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2013Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	340013	USD
CY2012Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	402846	USD
CY2013	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Reclassifications</font></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br clear="none"/></font></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Certain prior period balances have been reclassified to conform with current period presentation. As a result of a four-for-one reverse stock split which took place during the year, a reclassification of </font><font style="font-family:inherit;font-size:10pt;">$40,836</font><font style="font-family:inherit;font-size:10pt;"> from common stock to additional paid in capital was retroactively applied to the balances as of December 31, 2012. Also, installation revenue is broken out in the schedule of net revenue by product line and services above; in the prior year this revenue was included in services.</font></div></div>
CY2012	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	0	USD
CY2013	us-gaap	Proceeds From Convertible Debt ProceedsFromConvertibleDebt	3000000	USD
CY2013	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	5966805	USD
CY2012	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	680000	USD
CY2012	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	300000	USD
CY2013	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	1650000	USD
CY2013	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	182061	USD
CY2012	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	506345	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3000	USD
CY2012	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2012	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	57600	USD
CY2012	us-gaap	Profit Loss ProfitLoss	-2026437	USD
CY2013	us-gaap	Profit Loss ProfitLoss	-3807211	USD
CY2013Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1317879	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	915649	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	435612	USD
CY2013Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	638026	USD
CY2013	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	50600	USD
CY2010Q2	us-gaap	Receivable From Shareholders Or Affiliates For Issuance Of Capital Stock ReceivableFromShareholdersOrAffiliatesForIssuanceOfCapitalStock	345000	USD
CY2012	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	0	USD
CY2013	us-gaap	Repayments Of Related Party Debt RepaymentsOfRelatedPartyDebt	37500	USD
CY2012	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	431000	USD
CY2013	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	867000	USD
CY2013Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	0	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-11759723	USD
CY2012Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	181859	USD
CY2013Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-15209212	USD
CY2012	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	500000	USD
CY2013	us-gaap	Sale Of Stock Consideration Received On Transaction SaleOfStockConsiderationReceivedOnTransaction	0	USD
CY2012	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	7453222	USD
CY2013	us-gaap	Sales Revenue Goods Net SalesRevenueGoodsNet	6346050	USD
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	15849869	USD
CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	15253972	USD
CY2012	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	7800750	USD
CY2013	us-gaap	Sales Revenue Services Net SalesRevenueServicesNet	9503819	USD
CY2013	us-gaap	Selling Expense SellingExpense	1423587	USD
CY2013	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8700232	USD
CY2012	us-gaap	Selling Expense SellingExpense	1225580	USD
CY2012	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	7868700	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	195545	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	18367	USD
CY2013Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	95000	USD
CY2012Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	90200	USD
CY2011Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	57000	USD
CY2013	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	175041	USD
CY2012	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	127484	USD
CY2013	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	179841	USD
CY2012	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	160684	USD
CY2013	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	350	USD
CY2012	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	100000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	7269939	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	4614710	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	4783035	USD
CY2013Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7065893	USD
CY2011Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	5223164	USD
CY2013	us-gaap	Stockholders Equity Note Stock Split Conversion Ratio StockholdersEquityNoteStockSplitConversionRatio	4
CY2013Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2012Q4	us-gaap	Temporary Equity Par Or Stated Value Per Share TemporaryEquityParOrStatedValuePerShare	0.001
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"> </font></div><div style="line-height:120%;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with accounting principles generally accepted 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 the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</font></div></div>
CY2013	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1420000	USD
CY2013	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	13385155	shares
CY2012	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	13135071	shares
CY2012	adge	Abortedpublicofferingcosts Abortedpublicofferingcosts	0	USD
CY2013	adge	Abortedpublicofferingcosts Abortedpublicofferingcosts	258512	USD
CY2013	adge	Acquisitionof Developed Technology AcquisitionofDevelopedTechnology	497800	USD
CY2012	adge	Acquisitionof Developed Technology AcquisitionofDevelopedTechnology	0	USD
CY2013	adge	Area Of Office And Storage Space AreaOfOfficeAndStorageSpace	27000	sqft
CY2012Q4	adge	Convertible Debenture Related Parties Current ConvertibleDebentureRelatedPartiesCurrent	90967	USD
CY2013Q4	adge	Convertible Debenture Related Parties Current ConvertibleDebentureRelatedPartiesCurrent	0	USD
CY2012	adge	Debt Conversion Converted Instrument Interest Into Common Stock DebtConversionConvertedInstrumentInterestIntoCommonStock	6100	USD
CY2013	adge	Debt Conversion Converted Instrument Interest Into Common Stock DebtConversionConvertedInstrumentInterestIntoCommonStock	11280	USD
CY2012Q4	adge	Deferred Tax Asset Tax Deferred Expense Reserves And Accruals Accrued Liabilities And Other DeferredTaxAssetTaxDeferredExpenseReservesAndAccrualsAccruedLiabilitiesAndOther	676000	USD
CY2013Q4	adge	Deferred Tax Asset Tax Deferred Expense Reserves And Accruals Accrued Liabilities And Other DeferredTaxAssetTaxDeferredExpenseReservesAndAccrualsAccruedLiabilitiesAndOther	598000	USD
CY2013	adge	Depreciation Depletionand Amortization Property Plantand Equipment DepreciationDepletionandAmortizationPropertyPlantandEquipment	199816	USD
CY2012	adge	Depreciation Depletionand Amortization Property Plantand Equipment DepreciationDepletionandAmortizationPropertyPlantandEquipment	169879	USD
CY2013	adge	Depreciation Expense Next Twelve Months DepreciationExpenseNextTwelveMonths	171691	USD
CY2013	adge	Depreciation Expense Thereafter DepreciationExpenseThereafter	97789	USD
CY2013	adge	Depreciation Expense Year Five DepreciationExpenseYearFive	52851	USD
CY2013	adge	Depreciation Expense Year Four DepreciationExpenseYearFour	79616	USD
CY2013	adge	Depreciation Expense Year Three DepreciationExpenseYearThree	105792	USD
CY2013	adge	Depreciation Expense Year Two DepreciationExpenseYearTwo	130287	USD
CY2012	adge	Income Tax Reconciliation Unbenefited Operating Losses IncomeTaxReconciliationUnbenefitedOperatingLosses	-680000	USD
CY2013	adge	Increase Decrease In Prepaid Expense And Other Current Assets IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets	-62833	USD
CY2013	adge	Income Tax Reconciliation Unbenefited Operating Losses IncomeTaxReconciliationUnbenefitedOperatingLosses	-1280000	USD
CY2012	adge	Increase Decrease In Interest Payable Related Party IncreaseDecreaseInInterestPayableRelatedParty	71208	USD
CY2013	adge	Increase Decrease In Interest Payable Related Party IncreaseDecreaseInInterestPayableRelatedParty	83560	USD
CY2012	adge	Increase Decrease In Prepaid Expense And Other Current Assets IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets	290130	USD
CY2013	adge	Increase Decrease In Short Term Investments IncreaseDecreaseInShortTermInvestments	202	USD
CY2012	adge	Increase Decrease In Short Term Investments IncreaseDecreaseInShortTermInvestments	4776	USD
CY2013Q4	adge	Interest Payable Related Parties Current InterestPayableRelatedPartiesCurrent	198450	USD
CY2012Q4	adge	Interest Payable Related Parties Current InterestPayableRelatedPartiesCurrent	126170	USD
CY2012	adge	Noncash Settlement Of Shareholder Receivable NoncashSettlementOfShareholderReceivable	240000	USD
CY2013	adge	Noncash Settlement Of Shareholder Receivable NoncashSettlementOfShareholderReceivable	0	USD
CY2012	adge	Noncontrolling Interest Increase Decrease From Purchase Of Interest By Parent NoncontrollingInterestIncreaseDecreaseFromPurchaseOfInterestByParent	0	USD
CY2013	adge	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	5966805	USD
CY2012	adge	Noncontrolling Interest Increase From Subsidiary Restricted Stock Award Issuance NoncontrollingInterestIncreaseFromSubsidiaryRestrictedStockAwardIssuance	6100	USD
CY2012Q4	adge	Notes Payableand Lineof Credit Related Parties Current NotesPayableandLineofCreditRelatedPartiesCurrent	1337500	USD
CY2013Q4	adge	Notes Payableand Lineof Credit Related Parties Current NotesPayableandLineofCreditRelatedPartiesCurrent	2950000	USD
CY2013	adge	Payments For Share Based Compensation Awards Forfeited PaymentsForShareBasedCompensationAwardsForfeited	350	USD
CY2012	adge	Payments For Share Based Compensation Awards Forfeited PaymentsForShareBasedCompensationAwardsForfeited	337	USD
CY2013	adge	Proceeds From Payments On Receivable From Shareholders Or Affiliates ProceedsFromPaymentsOnReceivableFromShareholdersOrAffiliates	0	USD
CY2012	adge	Proceeds From Payments On Receivable From Shareholders Or Affiliates ProceedsFromPaymentsOnReceivableFromShareholdersOrAffiliates	105000	USD
CY2012Q4	adge	Proceeds From Payments On Receivable From Shareholders Or Affiliates ProceedsFromPaymentsOnReceivableFromShareholdersOrAffiliates	105000	USD
CY2013	adge	Product Warranty Period ProductWarrantyPeriod	P1Y
CY2013	adge	Provision For Recovery From Inventory Valuation Reserves ProvisionForRecoveryFromInventoryValuationReserves	-32000	USD
CY2012	adge	Provision For Recovery From Inventory Valuation Reserves ProvisionForRecoveryFromInventoryValuationReserves	-26800	USD
CY2010Q2	adge	Receivable From Shareholders Basis Spread On Variable Rate ReceivableFromShareholdersBasisSpreadOnVariableRate	0.03
CY2010Q2	adge	Receivable From Shareholders Shares Held As Collateral ReceivableFromShareholdersSharesHeldAsCollateral	287500	shares
CY2012Q4	adge	Receivable From Shareholders Shares Reacquired And Retired ReceivableFromShareholdersSharesReacquiredAndRetired	100000	shares
CY2012Q4	adge	Receivable From Shareholders Shares Reacquired And Retired Price Per Share ReceivableFromShareholdersSharesReacquiredAndRetiredPricePerShare	2.40
CY2012	adge	Reclassification Common Stockto Additional Paidin Capital ReclassificationCommonStocktoAdditionalPaidinCapital	40836	USD
CY2012	adge	Related Party Transaction Conversion Of Stock Amount Issued RelatedPartyTransactionConversionOfStockAmountIssued	100000	USD
CY2013	adge	Related Party Transaction Conversion Of Stock Amount Issued RelatedPartyTransactionConversionOfStockAmountIssued	90967	USD
CY2013	adge	Related Party Transaction Number Of Affiliated Companies RelatedPartyTransactionNumberOfAffiliatedCompanies	5	company
CY2013	adge	Research And Development Arrangements With Government Agencies Customer Funding To Offset Costs Incurred ResearchAndDevelopmentArrangementsWithGovernmentAgenciesCustomerFundingToOffsetCostsIncurred	127500	USD
CY2012	adge	Research And Development Arrangements With Government Agencies Customer Funding To Offset Costs Incurred ResearchAndDevelopmentArrangementsWithGovernmentAgenciesCustomerFundingToOffsetCostsIncurred	126500	USD
CY2012	adge	Sale Of Common Stock Net Of Costs SaleOfCommonStockNetOfCosts	500000	USD
CY2013	adge	Settlement Of Receivable From Shareholder SettlementOfReceivableFromShareholder	3000	USD
CY2012	adge	Settlement Of Receivable From Shareholder SettlementOfReceivableFromShareholder	105000	USD
CY2012	adge	Share Based Compensation Shares Authorized Under Stock Option Plans Cancelled And Forfeited Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansCancelledAndForfeitedExercisePriceRangeLowerRangeLimit	1.20
CY2012	adge	Share Based Compensation Shares Authorized Under Stock Option Plans Cancelled And Forfeited Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansCancelledAndForfeitedExercisePriceRangeUpperRangeLimit	2.60
CY2013	adge	Share Based Compensation Shares Authorized Under Stock Option Plans Granted Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansGrantedExercisePriceRangeUpperRangeLimit	4.5
CY2013	adge	Short Term Investments Maximum Maturity Term ShortTermInvestmentsMaximumMaturityTerm	P1Y
CY2013	adge	Short Term Investments Minimum Maturity Term ShortTermInvestmentsMinimumMaturityTerm	P3M
CY2013	adge	Share Based Compensation Shares Authorized Under Stock Option Plans Granted Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansGrantedExercisePriceRangeLowerRangeLimit	3.2
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2012	adge	Stock Options Repurchased During Period Value StockOptionsRepurchasedDuringPeriodValue	337	USD
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-12-31
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0001537435
CY2014Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	15156600	shares
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Entity Filer Category EntityFilerCategory	Smaller Reporting Company
CY2013Q2	dei	Entity Public Float EntityPublicFloat	0	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	Tecogen Inc.
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No

Files In Submission

Name	View Source	Status
0001537435-14-000005-index-headers.html	Edgar Link	pending
0001537435-14-000005-index.html	Edgar Link	pending
0001537435-14-000005.txt	Edgar Link	pending
0001537435-14-000005-xbrl.zip	Edgar Link	pending
adge-20131231.xml	Edgar Link	completed
adge-20131231.xsd	Edgar Link	pending
adge-20131231_cal.xml	Edgar Link	unprocessable
adge-20131231_def.xml	Edgar Link	unprocessable
adge-20131231_lab.xml	Edgar Link	unprocessable
adge-20131231_pre.xml	Edgar Link	unprocessable
fig1.jpg	Edgar Link	pending
fig2.jpg	Edgar Link	pending
fig3.jpg	Edgar Link	pending
fig4.jpg	Edgar Link	pending
fig5.jpg	Edgar Link	pending
fig6.jpg	Edgar Link	pending
fig7.jpg	Edgar Link	pending
fig8.jpg	Edgar Link	pending
fig9.jpg	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
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
R13.htm	Edgar Link	pending
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R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
tgn-20131231ex1021.htm	Edgar Link	pending
tgn-20131231x10k.htm	Edgar Link	pending
tgn-20131231xex1022.htm	Edgar Link	pending
tgn-20131231xex311.htm	Edgar Link	pending
tgn-20131231xex312.htm	Edgar Link	pending
tgn-20131231xex321.htm	Edgar Link	pending

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$TGEN
TECOGEN INC. Stock $tgen

2012 Q4 Form 10-K Financial Statement

#000153743514000005 Filed on March 31, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TGEN TECOGEN INC. Stock $tgen

2012 Q4 Form 10-K Financial Statement

#000153743514000005 Filed on March 31, 2014

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$TGEN
TECOGEN INC. Stock $tgen