Condensed Statements of Changes in Stockholders' Equity (Deficit) - 9 months ended Sep. 30, 2016 - USD ($)	Total	Common Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance at Dec. 31, 2015	$ 16,893,398	$ 6,844	$ 106,569,405	$ (75,000)	$ (41,357)	$ (89,566,494)
Balance, shares at Dec. 31, 2015		6,844,242
Stock issued for payment of 2015 annual bonus	364,910	$ 133	364,777
Stock issued for payment of 2015 annual bonus, shares		133,179
Exercise of stock options	10,132	$ 5	10,127
Exercise of stock options, shares		4,712
Stock-based compensation expense	552,054	$ 37	552,017
Stock-based compensation expense, shares		36,762
Employee stock purchase plan purchases	167,721	$ 40	167,681
Employee stock purchase plan purchases, shares		39,978
Growth Term Loan B warrant discount	122,460		122,460
Net loss	(20,366,469)					(20,366,469)
Other comprehensive income	41,037				41,037
Balance at Sep. 30, 2016	$ (2,214,757)	$ 7,059	$ 107,786,467	$ (75,000)	$ (320)	$ (109,932,963)
Balance, shares at Sep. 30, 2016		7,058,873