CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 844	$ 495
Other comprehensive income (loss) before income taxes:
Foreign currency translation adjustments	(600)	87
Unrealized gains (losses) on available-for-sale securities:
Unrealized gains on available-for-sale securities	140	58
Total other comprehensive income (loss) before income taxes	(460)	145
Income tax provision	(30)	(12)
Total other comprehensive income (loss) after income taxes	(490)	133
Total comprehensive income	$ 354	$ 628

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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