Statements of Stockholders' Equity (USD $)	Common Stock	Additional Paid-In Capital	Accumulated Deficit
Beginning Balance at Dec. 31, 2012	$ 4,861	$ 60,966,505	$ (60,502,181)
Beginning Balance (in shares) at Dec. 31, 2012	4,861,063
Exercise of stock options	6	6,474
Exercise of stock options (in shares)	6,000
Stock-based compensation		249,704
Common stock issued to settle litigation		28,500
Net income (loss)			(620,493)
Ending Balance at Dec. 31, 2013	4,867	61,251,183	(61,122,674)
Ending Balance (in shares) at Dec. 31, 2013	4,867,063
Issuance of common stock	10
Issuance of common stock (in shares)	10,000	12,490
Exercise of warrants	458	134,042
Exercise of warrants (in shares)	457,813
Exercise of stock options	69	47,102
Exercise of stock options (in shares)	68,975
Stock-based compensation		217,178
Loss on extinguishment of debt		61,500
Net income (loss)			432,117
Ending Balance at Dec. 31, 2014	$ 5,404	$ 61,713,995	$ (60,690,557)
Ending Balance (in shares) at Dec. 31, 2014	5,403,851

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