Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net Loss	$ (5,361,662)	$ (2,939,281)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	4,638	35,558
Issuance and vesting of compensatory stock options and warrants	130,911	76,140
Issuance of common stock as compensation	313	454
Change in fair value of warrants	(230,902)	(136,377)
Amortization of premium on marketable securities	217,350	190,578
Changes in operating assets and liabilities
Accounts receivable, prepaid expenses and other assets	45,299	(13,121)
Accounts payable and accrued liabilities	1,874,187	243,292
Net cash used in operating activities	(3,319,866)	(2,542,757)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of marketable securities	(3,198,833)	(7,850,298)
Sale of marketable securities	6,123,648	9,535,326
Purchase of property and equipment	(2,884)	0
Capitalization of patent costs and license rights	0	(15,187)
Net cash provided by investing activities	2,921,931	1,669,841
CASH FLOWS FROM FINANCING ACTIVITIES
Payments on notes - short-term	0	(46,956)
Net cash used in financing activities	0	(46,956)
Net change in cash and cash equivalents	(397,935)	(919,872)
Cash and cash equivalents, beginning of period	3,660,453	11,676,325
Cash and cash equivalents, end of period	3,262,518	10,756,453
Cash paid for:
Interest	$ 0	$ 1,823