Note 9 - Income Taxes - Reconciliation of Computed Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Computed income taxes at 21% for 2018 and 2017, respectively	$ 1,047	$ (2,203)
State and local income taxes, net of federal impact	(142)	(173)
Change in valuation allowance	1,373	834
Stock-based compensation	(204)	408
Change in tax rate		585
Other	52	(12)
Total Income Tax Benefit	$ 32	$ (561)

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

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