Organization and Summary of Significant Accounting Policies - Additional Information (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) Customer	Dec. 31, 2015 USD ($) Customer
Accounting Policies [Line Items]
Amortization expense	$ 1,455	$ 1,455
Concentration Risk, Customer	No customer accounted for more than 10% of net revenue for the year ended December 31, 2016. One customer accounted for 14% of net revenue for the year ended December 31, 2015. No customer accounted for more than 10% of the Company’s accounts receivable balance at December 31, 2016 or December 31, 2015.
Number of major customer represented stated percentage of total net revenue | Customer	0	1
Number of customers who accounted for more than 10% accounts receivable balance | Customer	0	0
Foreign currency translation and transactions gains (losses)		$ (1,200)
New Accounting Pronouncement, Early Adoption, Effect
Accounting Policies [Line Items]
Decrease in deferred debt issuance costs		400
Decrease in long-term financial liabilities		$ 400
Net revenue | Customer Concentration Risk
Accounting Policies [Line Items]
Percentage concentration risk	10.00%	14.00%
Maximum
Accounting Policies [Line Items]
Foreign currency translation and transactions gains (losses)	$ 100
Furniture, Fixtures and Office Equipment | Minimum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	3 years
Furniture, Fixtures and Office Equipment | Maximum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	10 years
Plant and Machinery | Minimum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	5 years
Plant and Machinery | Maximum
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	7 years
Automobiles
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	5 years
Purchased Software
Accounting Policies [Line Items]
Property and equipment, estimated useful lives	3 years
Research and Development
Accounting Policies [Line Items]
Estimated useful life, Internal-use software	3 years
Amortization expense	$ 400	$ 300