Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities:
Net income	$ 2,496,000	$ 698,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	112,000	176,000
Software amortization	579,000	549,000
Stock-based compensation	164,000	168,000
Deferred income tax expense	486,000	0
Forgiveness income from PPP Loan (Note L)	(931,000)	0
Loss on disposal of assets	1,000	5,000
Changes in operating assets and liabilities:
Accounts receivable, net	(236,000)	(95,000)
Inventories	(715,000)	365,000
Prepaid expenses and other current assets	(87,000)	(35,000)
Accounts payable	(380,000)	(89,000)
Accrued expenses and other current liabilities	0	(222,000)
Net cash provided by operating activities	1,489,000	1,520,000
Investing activities:
Capitalized software development costs	(178,000)	(22,000)
Purchases of property and equipment	(8,000)	(112,000)
Net cash used for investing activities	(186,000)	(134,000)
Financing activities:
Stock for tax withholding	(35,000)	(6,000)
Dividend distribution	(1,288,000)	0
Proceeds from exercised options	8,000	0
Proceeds from PPP Loan	0	924,000
Net cash provided by (used for) financing activities	(1,315,000)	918,000
Effect of exchange rate changes on cash	(91,000)	48,000
Change in cash and cash equivalents	(103,000)	2,352,000
Cash and cash equivalents at beginning of period	8,605,000	5,118,000
Cash and cash equivalents at end of period	8,502,000	7,470,000
Non-Cash investing and financing activities:
Purchase of property and equipment in accounts payable	$ 0	$ 7,000