Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
OPERATING ACTIVITIES:
Net income	$ 1,047	$ 2,072
Adjustments to reconcile net income from continuing operations to net cash used for operating activities:
Depreciation and amortization	302	180
Stock-based compensation expense	62	25
Non-cash investment expense	1,009
Non-cash interest income	(32)	(30)
Equity in loss of affiliate company	41
Changes in operating assets and liabilities:
Accounts receivable	676	42
Other current assets	(74)	110
Other long-term assets	(6)	(37)
Accounts payable	(31)
Accrued payroll	(1,091)	140
Deferred revenue, current portion	3,422	124
Accrued expenses	140	56
Other current liabilities	236	1,061
Deferred revenue, net of current portion	(8)	(37)
Net cash provided by operating activities	5,693	3,706
INVESTING ACTIVITIES:
Purchases of property and equipment	(539)	(112)
Advances of notes receivable	(1,000)	(500)
Net cash used for investing activities	(1,539)	(612)
FINANCING ACTIVITIES:
Sale of capital stock pursuant to exercise of option		59
Net cash provided by financing activities		59
Effects of exchange rate changes on cash	(31)	(1)
Net increase in cash	4,123	3,152
Cash at beginning of period	26,415	18,919
Cash at end of period	$ 30,538	$ 22,071