CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash flow from operating activities
Net loss	$ (397)	$ (1,867)
Adjustments to reconcile net loss to net cash used in operating activities
Amortization	40	40
Depreciation	33	10
Stock-based compensation	249	95
Change in fair value of warrant liability	(1,596)	0
(Increase) decrease in assets
Prepaid drug product for testing	(1)	(51)
Other current assets	40	(571)
Increase (decrease) in liabilities
Accounts payable and accrued expenses	(208)	(37)
Net cash used in operating activities	(1,840)	(2,381)
Cash flow from investing activities
Purchases of furniture, fixtures & equipment	(424)	0
Net cash used in investing activities	(424)	0
Cash flow from financing activities
Net decrease in cash	(2,264)	(2,381)
Cash, beginning of period	9,375	8,854
Cash, end of period	7,111	6,473
Non-cash investing activities
Capital expenditures included in accrued expense	$ 114	$ 0