Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Beginning balance at Dec. 31, 2015		$ 14,600	$ 78,189,300	$ (80,596,900)	$ (2,393,000)
Beginning balance, shares at Dec. 31, 2015		9,731,233
Vesting of restricted stock awards
Vesting of restricted stock awards, shares		30,549
Stock-based compensation expense			229,700		229,700
Company payment of employee taxes for stock-based compensation			(1,600)		(1,600)
Other Rounding			100		100
Net loss				(1,412,500)	(1,412,500)
Ending balance at Jun. 30, 2016		$ 14,600	78,417,500	(82,009,400)	(3,577,300)
Ending balance, shares at Jun. 30, 2016		9,761,782
Beginning balance at Dec. 31, 2016		$ 14,700	78,512,200	(82,449,800)	(3,922,900)
Beginning balance, shares at Dec. 31, 2016		9,804,400
Stock-based compensation expense			18,500		18,500
Company payment of employee taxes for stock-based compensation
Other Rounding
Net loss				(166,200)	(166,200)
Ending balance at Jun. 30, 2017		$ 14,700	$ 78,530,700	$ (82,616,000)	$ (4,070,600)
Ending balance, shares at Jun. 30, 2017		9,804,400