Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Revenues	$ 19,945	$ 20,596	$ 40,004	$ 40,312
Model costs	14,156	14,905	28,632	28,747
Revenues, net of model costs	5,789	5,691	11,372	11,565
Operating expenses:
Salaries and service costs	3,589	3,472	7,305	7,031
Office and general expenses	1,031	1,198	2,259	2,576
Amortization and depreciation	298	239	588	475
Corporate overhead	251	260	583	597
Total operating expenses	5,169	5,169	10,735	10,679
Operating income	620	522	637	886
Other expense:
Foreign exchange gain (loss)	12	(27)	(3)	(47)
Interest expense	(30)	(22)	(62)	(47)
Total other expense	(18)	(49)	(65)	(94)
Income before provision for income taxes	602	473	572	792
Provision for income taxes expense:
Current	(89)	(56)	(152)	(140)
Deferred	(62)	(53)	(78)	(63)
Income tax expense	(151)	(109)	(230)	(203)
Net income	451	364	342	589
Other comprehensive expense:
Foreign currency translation expense	(59)	(75)	(31)	(32)
Total comprehensive income	$ 392	$ 289	$ 311	$ 557
Basic net income per common share (in dollars per share)	$ 0.09	$ 0.07	$ 0.07	$ 0.11
Diluted net income per common share (in dollars per share)	$ 0.09	$ 0.07	$ 0.07	$ 0.11
Weighted average common shares outstanding-basic (in shares)	5,187	5,375	5,196	5,378
Weighted average common shares outstanding-diluted (in shares)	5,187	5,375	5,196	5,378
Service [Member]
Revenues:
Revenues	$ 19,940	$ 20,580	$ 39,975	$ 40,282
License Fees and Other [Member]
Revenues:
Revenues	$ 5	$ 16	$ 29	$ 30