Condensed Consolidated Statements of Stockholders’ Equity (USD $)	Preferred Stock [Member]	Common Stock [Member] USD ($)	Additional Paid-in Capital [Member] USD ($)	Retained Earnings [Member] USD ($)	Total USD ($)
Beginning balance at Dec. 31, 2012		$ 8,300	$ 62,425,400	$ (68,865,900)
Beginning balance (in Shares) at Dec. 31, 2012	0	82,616,750
Employee stock option issuances (in Shares)		751,378
Exercise of warrants (in Shares)		9,917,500
Vesting of restricted stock awards (in Shares)		776,889
Net loss				(597,800)	(597,800)
Stock-based compensation expense			427,200
Issuance of new warrants, per exercise agreement			514,800
New warrants recorded as cost of exercise agreement			(514,800)
Reclassification of warrants liability to equity from exercise of warrants			348,300
Reclassification of warrants liability to equity from amendment of warrants			4,391,000
Exercise of employee stock options		100	112,400
Exercise of warrants		800	2,550,200
Vesting of restricted stock awards		200
Total Stockholders’ Equity at Jun. 30, 2013		9,400	70,254,500	(69,463,700)	800,200
Ending balance (in Shares) at Jun. 30, 2013	0	94,062,517
Beginning balance at Dec. 31, 2013		9,800	71,697,300	(72,611,900)	(904,800)
Beginning balance (in Shares) at Dec. 31, 2013	0	98,510,622
Private placement of stock and warrants (in Shares)		11,299,999
Employee stock option issuances (in Shares)		256,818
Exercise of warrants (in Shares)		1,000,000
Vesting of restricted stock awards (in Shares)		818,394
Net loss				(1,652,700)	(1,652,700)
Stock-based compensation expense			330,200
Private placement of common stock and warrants		1,200	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)
Exercise of employee stock options			47,800
Exercise of warrants		100	259,800
Vesting of restricted stock awards		100
Total Stockholders’ Equity at Jun. 30, 2014		$ 11,200	$ 74,344,300	$ (74,264,600)	$ 90,900
Ending balance (in Shares) at Jun. 30, 2014	0	111,885,833