Condensed Consolidated Statement of Stockholders' Deficit - 9 months ended Sep. 30, 2017 - USD ($) $ in Thousands	Total	LPC	Common Stock	Common Stock LPC	Additional Paid-in Capital	Additional Paid-in Capital LPC	Accumulated Deficit
Beginning Balance (in shares) at Dec. 31, 2016			10,103,525
Beginning Balance at Dec. 31, 2016	$ (2,864)		$ 404		$ 166,084		$ (169,352)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(13,815)						(13,815)
Issuance of warrants to SWK in connection with debt amendments	561				561
Issuance of common stock in connection with the Merger and LPC Equity Line (in shares)			560,000	500,000
Issuance of common stock in connection with the Merger and LPC Equity Line	364	$ 32	$ 22	$ 20	342	$ 12
Issuance of common stock and warrants, net of issuance costs (in shares)			4,720,324
Issuance of common stock and warrants, net of issuance costs	3,414		$ 189		3,225
Issuance of common stock as Merger consideration (in shares)			10,448,849
Issuance of common stock as Merger consideration	6,792		$ 418		6,374
Share-based compensation (in shares)			435,800
Share-based compensation	605		$ 18		587
Ending Balance (in shares) at Sep. 30, 2017			26,768,498
Ending Balance at Sep. 30, 2017	$ (4,911)		$ 1,071		$ 177,185		$ (183,167)