Organization and Summary of Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Thousands, shares in Millions		12 Months Ended
	May. 22, 2014 $ / shares shares	Dec. 31, 2015 USD ($) Customer $ / shares	Dec. 31, 2014 USD ($) Customer $ / shares
Accounting Policies [Line Items]
Reverse stock split, conversion ratio	0.1
Stock issued during period, Shares, Stock splits | shares	80
Decrease in stock issued during period shares stock splits | shares	8
Common stock, par value | $ / shares	$ 0.001	$ 0.001	$ 0.001
Amortization expense		$ 1,455	$ 1,455
Concentration Risk, Customer		One customer accounted 14% of net revenue for the year ended December 31, 2015, and one customer accounted for 23% of net revenue for the year ended December 31, 2014. No customers accounted for more than 10% of the Company’s accounts receivable balance as of December 31, 2015. Two customers accounted for more than 10% of the Company’s accounts receivable balance at December 31, 2014.
Number of major customer represented stated percentage of total net revenue | Customer		1	1
Number of customers who accounted for more than 10% accounts receivable balance | Customer		0	2
Foreign currency translation and transactions loss		$ (1,200)	$ (1,300)
Net Revenue | Customer Concentration Risk
Accounting Policies [Line Items]
Percentage concentration risk		14.00%	23.00%
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		$ 300	$ 100