Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net loss	$ (2,166,174)	$ (2,368,664)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	12,218	21,867
Stock-based compensation	183,398	922,918
Change in assets and liabilities:
Royalty receivables	(175,015)	(150,851)
Prepaid expenses and other current assets	71,476	132,302
Deferred revenue	(2,500)	102,500
Accounts payable and accrued expenses	167,873	22,447
Net cash used in operating activities	(1,908,724)	(1,317,481)
Cash flows from investing activities:
Purchases of fixed assets	(44,520)	(35,743)
Change in short term investments	(2,545)	(6,535)
Net cash used in investing activities	(47,065)	(42,278)
Cash flows from financing activities:
Net proceeds from sale of common stock	3,278,250
Net proceeds from exercise of options and warrants	304,788
Net cash provided by financing activities	3,583,038
Net increase (decrease) in cash and cash equivalents	1,627,249	(1,359,759)
Cash and cash equivalents at beginning of year	5,866,123	8,390,233
Cash and cash equivalents at end of period	$ 7,493,372	$ 7,030,474