Balance Sheet Details Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Oct. 05, 2016	Dec. 31, 2015
Balance Sheet Details [Abstract]
Intangible assets current liabilities	$ 1,000		$ 2,000
Estimated Litigation Liability, Current	0	$ 1,289	3,252
Business Combination, Contingent Consideration, Liability, Current	855		1,407
Payable for repurchase of warrant	1,025		0
Customer Deposits, Current	996		505
Other Current Liabilities Subtotal	3,263		5,251
Other Liabilities, Current	$ 7,139		$ 12,415