Balance Sheet Details - Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Other Current Liabilities [Abstract]
Intangible assets current liabilities	$ 1,000	$ 1,000
Contingent Consideration Current Liability	634	855
Payable for repurchase of warrant	0	1,025
Customer Deposits, Current	983	996
Other Current Liabilities Subtotal	5,105	3,263
Other Liabilities, Current	$ 7,722	$ 7,139