Consolidated Statements of Stockholders' (Deficit) Equity - USD ($) $ in Thousands	Total	LPC	Common Stock	Common Stock LPC	Additional Paid-in Capital	Additional Paid-in Capital LPC	Accumulated Deficit	Treasury Stock
Beginning Balance (shares) at Dec. 31, 2015			5,201,733					626
Beginning Balance at Dec. 31, 2015	$ 217		$ 3,121		$ 156,195		$ (159,028)	$ (71)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(10,324)						(10,324)
Issuance of common stock and warrants, net of issuance costs (shares)			4,657,345
Issuance of common stock and warrants, net of issuance costs	6,250		$ 2,016		4,234
Issuance of common stock in connection with amendments to Credit Agreement			77,922
Issuance of common stock in connection with amendments to Credit Agreement	150		$ 47		103
Other adjustments due to reverse stock split (shares)			486
Reverse stock split re-allocation	0		$ (4,880)		4,880
Share-based compensation (shares)			166,665
Share-based compensation	579		$ 100		479
Retirement of treasury stock (shares)			(626)					(626)
Retirement of treasury stock	0				(71)			$ 71
Repricing of SWK Warrant 1	264				264
Ending Balance (shares) at Dec. 31, 2016			10,103,525					0
Ending Balance at Dec. 31, 2016	(2,864)		$ 404		166,084		(169,352)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(15,972)						(15,972)
Issuance of common stock and warrants, net of issuance costs (shares)			4,720,324
Issuance of common stock and warrants, net of issuance costs	3,414		$ 189		3,225
Share-based compensation (shares)			435,800
Share-based compensation	818		$ 18		800
Issuance of warrants to SWK in connection with debt amendments	561				561
Issuance of common stock (shares)			560,000	500,000
Issuance of common stock	364	$ 31	$ 22	$ 20	342	$ 11
Issuance of common stock as Merger consideration (shares)			10,448,849
Issuance of common stock as Merger consideration	6,792		$ 418		6,374
Ending Balance (shares) at Dec. 31, 2017			26,768,498					0
Ending Balance at Dec. 31, 2017	$ (6,856)		$ 1,071		$ 177,397		$ (185,324)	$ 0