Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Revenue	$ 4,767	$ 1,946
Cost of revenue	2,555	1,334
Gross profit	2,212	612
Operating Expenses (Income)
Research and development	5,265	6,855
Sales and marketing	5,970	3,723
General and administrative	2,676	3,049
Amortization of intangible assets	2,827	1,636
Change in fair value of contingent consideration	627	1,227
Gain from sale of SurgiBot assets, net	(11,996)
Total Operating Expenses (Income)	5,369	16,490
Operating Loss	(3,157)	(15,878)
Other Income (Expense)
Change in fair value of warrant liabilities	1,829
Interest expense, net	(386)	(334)
Other expense	(58)	(60)
Total Other Income (Expense), net	1,385	(394)
Loss before income taxes	(1,772)	(16,272)
Income tax benefit	890	858
Net loss	(882)	(15,414)
Other comprehensive income
Foreign currency translation gain	2,308	1,133
Comprehensive income (loss)	$ 1,426	$ (14,281)
Net loss per share - basic and diluted	$ 0.00	$ (0.13)
Weighted average common shares outstanding - basic and diluted	199,900	121,660