CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income	$ 545,000	$ 226,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	285,000	374,000
Bad debt expense	28,000	93,000
Deferred income taxes	(15,000)	(42,000)
Non-cash interest expense	0	6,000
Stock-based compensation expense	63,000	45,000
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	(484,000)	(219,000)
Decrease (increase) in other assets	(16,000)	32,000
Increase (decrease) in accounts payable	287,000	118,000
Increase (decrease) in accrued expenses	398,000	(105,000)
Increase (decrease) in deferred revenue	178,000	74,000
Net cash provided by operating activities	1,269,000	602,000
Cash flows from investing activities:
Purchase of fixed assets	(16,000)	0
Net cash used in investing activities	(16,000)	0
Cash flows from financing activities:
Exercise of stock options	199,000	0
Payment for stock repurchase and retirement	(452,000)	(203,000)
Net cash used in financing activities	(253,000)	(203,000)
Net change in cash and cash equivalents	1,000,000	399,000
Cash - beginning	19,556,000	15,766,000
Currency translation adjustment	(8,000)	32,000
Cash and cash equivalents - ending	20,548,000	16,197,000
Supplemental disclosures:
Cash paid for income taxes	$ 0	$ 10,000