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Note 9 - Income Taxes (Details) - Effective Income Tax Rate Reconcilliation (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Effective Income Tax Rate Reconcilliation [Abstract]
Income tax expense/(benefit) at federal statutory rate [34%]			$ 438,244	$ (174,018)
State and local income tax benefit net of federal tax benefit				(30,709)
Change in capitalized inventory (Section 263A)			3,159	(5,760)
Change in vacation accrual			(23,913)	(26,137)
Change in other accruals			(4,023)	10,023
Difference between tax and book depreciation			(91,385)	140,516
Change in capital loss carryforward				(224,137)
Stock-based compensation			(97,041)	(10,825)
Research and development credits			(109,193)	(185,964)
Impact of New York State taxation change			381,345
Income tax expense/(benefit)	$ 339,000	$ (175,463)	$ 497,193	$ (507,011)

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the vacation accrual account.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the capitalized inventory account.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in other accruals.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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