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, 2014		$ 11,200	$ 74,600,700	$ (76,205,800)
Beginning balance, shares at Dec. 31, 2014		7,502,814
Employee stock option issuances, shares		6,000
Vesting of restricted stock awards		$ 200
Vesting of restricted stock awards, shares		63,694
Stock-based compensation expense			412,400
Company payment of employee taxes for stock-based compensation			(10,800)
Proceeds from exercise of employee stock options			4,900
Reclassification of warrants liability to equity (2014 Pipe)			407,300
Other Rounding			(100)
Net loss				(2,152,900)	(2,152,900)
Ending balance at Jun. 30, 2015		$ 11,400	75,414,400	(78,358,700)	(2,932,900)
Ending balance, shares at Jun. 30, 2015		7,572,508
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
Employee stock option issuances, shares
Vesting of restricted stock awards
Vesting of restricted stock awards, shares		30,549
Stock-based compensation expense			229,700
Company payment of employee taxes for stock-based compensation			(1,600)
Proceeds from exercise of employee stock options
Reclassification of warrants liability to equity (2014 Pipe)
Other Rounding			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