Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities:
Net loss	$ (548,341)	$ (1,296,279)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	6,898	7,195
Stock-based compensation expense	14,580	483,485
Changes in assets and liabilities:
Grant funds receivable	6,560	119,978
Prepaid expenses and other current assets	10,151	17,102
Accounts payable and accrued expenses	178,054	39,455
Total adjustments	216,243	667,215
Net cash used in operating activities	(332,098)	(629,064)
Cash flows from investing activities:
Purchase of property and equipment	(4,350)
Net cash used in investing activities	(4,350)
Cash flows from financing activities:
Proceeds from sale of common stock	49,167	238,198
Net cash provided by financing activities	49,167	238,198
Net decrease in cash and cash equivalents	(287,281)	(390,866)
Cash and cash equivalents at beginning of period	454,030	1,060,348
Cash and cash equivalents at end of period	$ 166,749	$ 669,482