Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flows from operating activities
Net loss	$ (926,272)	$ (2,160,394)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	0	72,589
Option expense	48,277	153,853
Changes in:
Other current assets	134,231	98,565
Accounts payable	(79,906)	(186,027)
Accrued expenses	(197,496)	202,531
Deferred revenue	0	(726,291)
Net cash used in operating activities	(1,021,166)	(2,545,174)
Cash flows from investing activities
Proceeds from sale of property & equipment	50,000	(485)
Net cash provided/(used) in investing activities	50,000	(485)
Cash flows from financing activities
Common stock sold for cash net of offering cost	413,662	0
Note payable - insurance	(64,771)	(55,144)
Payment of deferred offering costs	0	(27,512)
Net cash provided/(used) in financing activities	348,891	(82,656)
Net change in cash and cash equivalents	(622,275)	(2,628,315)
Cash and cash equivalents at beginning of period	3,444,952	12,583,764
Cash and cash equivalents at end of period	2,822,677	9,955,449
Cash paid for:
Interest	1,182	1,371
Income taxes	0	0
NON-CASH TRANSACTIONS
Unpaid deferred offering costs	$ 0	$ 8,395