Restatement of Prior Period Financial Statements - Schedule of Revisions to Comprehensive Loss (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other income (expense):
Interest expense, net	$ (64)	$ (691)	$ (167)	$ (1,083)
Gain on bifurcated derivative liability	0	2,754	0	2,754
Amortization of debt discount	0	1,630	194	1,630
Gain (loss) on change in fair value of liability-classified warrants	4	792	(334)	1,588
Other income, net	184	1,008	83	628
Total other income (expense)	124	2,233	(612)	2,257
Income (loss) from continuing operations before income taxes	(216)	(919)	(3,313)	(4,112)
Net loss	(385)	(222)	(3,481)	(2,993)
Comprehensive loss	$ (174)	(755)	$ (3,260)	(3,263)
Kanis S.A
Other income (expense):
Amortization of debt discount		1,600
Kanis S.A | Reported
Other income (expense):
Interest expense, net		(756)		(1,148)
Gain on bifurcated derivative liability		2,754		2,754
Amortization of debt discount		0		0
Gain (loss) on change in fair value of liability-classified warrants		792		1,588
Other income, net		1,008		628
Total other income (expense)		3,798		3,822
Income (loss) from continuing operations before income taxes		646		(2,547)
Net loss		1,343		(1,428)
Comprehensive loss		$ 810		$ (1,698)
Basic and diluted net loss per common share:
Basic (in usd per share)		$ 0.35		$ (0.38)
Diluted (in usd per share)		$ 0.13		$ (0.38)
Kanis S.A | Restated
Other income (expense):
Interest expense, net		$ (691)		$ (1,083)
Gain on bifurcated derivative liability		2,754		2,754
Amortization of debt discount		1,630		1,630
Gain (loss) on change in fair value of liability-classified warrants		792		1,588
Other income, net		1,008		628
Total other income (expense)		2,233		2,257
Income (loss) from continuing operations before income taxes		(919)		(4,112)
Net loss		(222)		(2,993)
Comprehensive loss		$ (755)		$ (3,263)
Basic and diluted net loss per common share:
Basic (in usd per share)		$ (0.06)		$ (0.80)
Diluted (in usd per share)		$ (0.06)		$ (0.80)