CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating activities:
Net income	$ 6,995,000	$ 1,862,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	197,000	244,000
Software amortization	598,000	530,000
Stock-based compensation	219,000	206,000
Deferred income tax benefit	(5,162,000)	(21,000)
Loss on disposal of assets	0	36,000
Changes in operating assets and liabilities:
Accounts receivable, net	704,000	(491,000)
Inventories	508,000	(954,000)
Prepaid expenses and other current assets	(53,000)	(132,000)
Accounts payable	(514,000)	337,000
Accrued expenses and other current liabilities	(1,242,000)	45,000
Net cash provided by operating activities	2,250,000	1,662,000
Investing activities:
Capitalized software development costs	(1,156,000)	(362,000)
Purchases of property and equipment	(254,000)	(194,000)
Net cash used for investing activities	(1,410,000)	(556,000)
Financing activities:
Stock for tax withholding	(21,000)	(10,000)
Proceeds from stock options exercised	4,000	0
Net cash used for financing activities	(17,000)	(10,000)
Effect of exchange rate changes on cash	59,000	(50,000)
Increase in cash and cash equivalents	882,000	1,046,000
Cash and cash equivalents at beginning of period	4,236,000	3,190,000
Cash and cash equivalents at end of period	5,118,000	4,236,000
Non-Cash investing and financing activities:
Purchase of property and equipment in accounts payable	$ 14,000	$ 5,000