Significant Accounting Policies and Recent Accounting Pronouncements - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2020 USD ($) Customer	Dec. 31, 2019 USD ($) Customer
Accounting Policies [Line Items]
Concentration Risk, Customer	No customer accounted for 10% or more of net revenue for the years ended December 31, 2020 or 2019, respectively. No customer accounted for 10% or more of the Company’s accounts receivable balance as of December 31, 2020 or 2019.
Number of major customer represented stated percentage of total net revenue | Customer	0	0
Number of customers who accounted for 10% or more accounts receivable balance | Customer	0	0
Impairment losses on long lived assets	$ 0	$ 0
Capitalized software development costs, net	280,000	318,000
Software development costs capitalized in period	0	0
Amortization expense	2,565,000	2,572,000
Foreign currency translation and transactions gains (losses)	$ (100,000)	100,000
Minimum
Accounting Policies [Line Items]
Estimated useful lives of intangible asset	4 years
Maximum
Accounting Policies [Line Items]
Estimated useful lives of intangible asset	12 years
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 lives of intangible asset	3 years
Amortization expense	$ 78,000	$ 235,000