Information about Geographic Areas and Operating Segments - Profit and Loss Information of Segments (Detail) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Reporting Information [Line Items]
Revenue	$ 14,180	$ 19,203	$ 29,276	$ 39,881
Cost of revenue	11,757	15,942	24,462	31,420
Gross profit	2,423	3,261	4,814	8,461
Operating expenses	6,352	6,979	11,622	14,657
Other income, net	61	47	94	91
Income tax (expense) benefit		(12)		(12)
Net loss	(3,868)	(3,683)	(6,714)	(6,117)
Third Party Software [Member]
Segment Reporting Information [Line Items]
Revenue	11,684	16,992	24,785	33,056
Cost of revenue	9,923	14,480	21,072	27,834
Gross profit	1,761	2,512	3,713	5,222
Proprietary Software [Member]
Segment Reporting Information [Line Items]
Revenue	258	281	509	2,076
Cost of revenue	86	100	299	141
Gross profit	172	181	210	1,935
Professional Engineering Service [Member]
Segment Reporting Information [Line Items]
Revenue	2,238	1,930	3,982	4,749
Cost of revenue	1,748	1,362	3,091	3,445
Gross profit	$ 490	$ 568	$ 891	$ 1,304

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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