Consolidated Statements of Shareholders’ Equity (Deficit) - USD ($)	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Beginning balance at Dec. 31, 2013		$ 9,800	$ 71,697,300	$ (72,611,900)	$ (1,593,900)
Beginning balance, shares at Dec. 31, 2013		6,567,375
Private placement of stock and warrants		$ 1,200
Private placement of stock and warrants, shares		753,333
Employee stock option issuances
Employee stock option issuances, shares		17,121
Exercise of warrants		$ 100
Exercise of warrants, shares		66,667			66,667
Vesting of restricted stock awards		$ 100
Vesting of restricted stock awards, shares		98,319
Stock-based compensation expense			$ 593,000
Company payment of employee taxes for stock-based compensation			(6,400)
Proceeds from exercise of employee stock options			47,800
Proceeds from exercise of warrants			259,800
Proceeds from private placement of common stock and warrants, net of par value of shares issued			3,388,800
Cost of private placement of common stock and warrants			(20,000)
Allocation of proceeds from common stock and warrants to warrants liability			(1,356,000)
Accretion of compensation expense, net of forfeitures - consultant warrants			$ (3,600)
Reclassification of warrants liability to equity (2014 PIPE)
Other Rounding			$ (100)
Net loss				$ (3,593,900)	$ (3,593,900)
Ending balance at Dec. 31, 2014		$ 11,200	$ 74,600,700	$ (76,205,800)	$ (1,593,900)
Ending balance, shares at Dec. 31, 2014		7,502,814
Private placement of stock and warrants		$ 3,200
Private placement of stock and warrants, shares		2,105,919
Employee stock option issuances
Employee stock option issuances, shares		6,000
Exercise of warrants
Exercise of warrants, shares
Vesting of restricted stock awards		$ 200
Vesting of restricted stock awards, shares		116,500
Stock-based compensation expense			$ 757,500
Company payment of employee taxes for stock-based compensation			(11,900)
Proceeds from exercise of employee stock options			$ 4,900
Proceeds from exercise of warrants					$ 2,014,000
Proceeds from private placement of common stock and warrants, net of par value of shares issued			$ 2,547,300
Cost of private placement of common stock and warrants			$ (116,400)
Allocation of proceeds from common stock and warrants to warrants liability
Accretion of compensation expense, net of forfeitures - consultant warrants
Reclassification of warrants liability to equity (2014 PIPE)			$ 407,300
Other Rounding			(100)
Net loss				$ (4,391,100)	$ (4,391,100)
Ending balance at Dec. 31, 2015		$ 14,600	$ 78,189,300	$ (80,596,900)	$ (2,393,000)
Ending balance, shares at Dec. 31, 2015		9,731,233