Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Income Statement [Abstract]
Net revenues			$ 10
Operating expenses:
Research and development	[1]	$ 1,347	1,305
Acquired in-process research and development		2,990
General and administrative	[1]	1,123	950
Total operating expenses		5,460	2,255
Operating loss		(5,460)	(2,245)
Other income:
Interest income, net			7
Other income, net			7
Total other income			14
Net loss		$ (5,460)	$ (2,231)
Net loss per common share:
Basic and diluted		$ (0.27)	$ (0.34)
Weighted average common shares: basic and diluted		20,571,143	6,534,846

[1] Non-cash stock-based compensation expenses included in operating expenses are as follows: Research and development $ 33 $ 72 General and administrative 81 222