Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities:
Net loss	$ (1,733,437)	$ (1,149,433)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	21,050	22,607
Amortization of discount on debt		6,251
Share-based compensation	146,627	136,411
Issuance of common stock for services	5,925
Change in fair value of warrant liability		(760,157)
Change in operating assets and liabilities:
Contracts and grants receivable	213,287	961,911
Prepaid expenses	(3,056)	154,742
Accounts payable and accrued expenses	(94,251)	252,835
Accrued compensation	(182,760)	(263,006)
Total adjustments	106,822	511,594
Net cash used in operating activities	(1,626,615)	(637,839)
Investing activities
Purchases of office furniture and equipment	(2,131)	(4,263)
Net cash used in investing activities	(2,131)	(4,263)
Financing Activities:
Stock issuance cost associated with equity lines		(19,003)
Net cash used in financing activities		(19,003)
Net decrease in cash and cash equivalents	(1,628,746)	(661,105)
Cash and cash equivalents at beginning of period	8,772,567	4,921,545
Cash and cash equivalents at end of period	$ 7,143,821	$ 4,260,440