Information about Geographic Areas and Operating Segments - Profit and Loss Information of Segments (Detail) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Revenue	$ 15,096	$ 20,678
Cost of revenue	12,705	15,478
Gross profit	2,391	5,200
Operating expenses	5,270	7,678
Other income, net	33	44
Net loss	(2,846)	(2,434)
Third Party Software [Member]
Segment Reporting Information [Line Items]
Revenue	13,101	16,064
Cost of revenue	11,149	13,354
Gross profit	1,952	2,710
Proprietary Software [Member]
Segment Reporting Information [Line Items]
Revenue	251	1,795
Cost of revenue	213	41
Gross profit	38	1,754
Professional Engineering Service [Member]
Segment Reporting Information [Line Items]
Revenue	1,744	2,819
Cost of revenue	1,343	2,083
Gross profit	$ 401	$ 736

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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