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Income Taxes - Deferred Tax Assets (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred Tax Assets: |  |
Accrued expenses | $ 126,000 | $ 68,000
Stock-based awards | 83,000 | 73,000
Reserve for bad debts | 29,000 | 32,000
Inventory reserve | 12,000 | 13,000
Net operating loss carryforwards |  | 32,000
Other | 9,000 | 7,000
Total deferred tax assets | 259,000 | 225,000
Deferred Tax Liabilities: |  |
Depreciation | (322,000) | (324,000)
Prepaid expenses | (84,000) |
Prepaid compensation | (52,000) | (71,000)
Total deferred tax liabilities | (458,000) | (395,000)
Net deferred income tax liabilities | $ (199,000) | $ (170,000)

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