Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue	$ 8,531,000	$ 24,102,000
Cost of revenue	20,731,000	16,171,000
Gross (loss) profit	(12,200,000)	7,931,000
Operating Expenses (Income)
Research and development	22,468,000	21,823,000
Sales and marketing	28,014,000	25,736,000
General and administrative	18,758,000	13,854,000
Amortization of intangible assets	10,301,000	10,868,000
Change in fair value of contingent consideration	(9,553,000)	(1,011,000)
Restructuring and other charges	1,374,000	0
Goodwill impairment	78,969,000	0
In-process research and development impairment	7,912,000	0
Acquisition related costs	0	647,000
Reversal of transfer fee accrual	0	(2,994,000)
Total Operating Expenses	142,375,000	57,083,000
Operating Loss	(154,575,000)	(49,152,000)
Other Income (Expense)
Change in fair value of warrant liabilities	2,248,000	(14,320,000)
Interest income	582,000	1,400,000
Interest expense	(4,613,000)	(4,208,000)
Other (expense) income	(967,000)	1,126,000
Total Other Expense, net	(2,750,000)	(16,002,000)
Loss before income taxes	(157,325,000)	(65,154,000)
Income tax benefit	3,124,000	3,377,000
Net loss	(154,201,000)	(61,777,000)
Comprehensive loss
Foreign currency translation loss	(2,708,000)	(3,690,000)
Comprehensive loss	$ (156,909,000)	$ (65,467,000)
Net loss per share - basic and diluted (in dollars per share)	$ (8.69)	$ (3.88)
Weighted average number of shares used in computing net loss per common share - basic and diluted	17,737	15,938
Product
Revenue	$ 7,104,000	$ 23,268,000
Cost of revenue	16,439,000	14,162,000
Service
Revenue	1,427,000	834,000
Cost of revenue	4,292,000	2,009,000
SurgiBot System
Operating Expenses (Income)
Loss (gain) from sale of assets, net	97,000	(11,840,000)
AutoLap
Operating Expenses (Income)
Loss (gain) from sale of assets, net	$ (15,965,000)	$ 0