Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net income (loss)	$ (111,000)	$ 308,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	50,000	51,000
Software amortization	174,000	150,000
Stock-based compensation	59,000	50,000
Changes in operating assets and liabilities:
Accounts receivable, net	228,000	413,000
Inventories	95,000	81,000
Prepaid expenses and other current assets	(108,000)	57,000
Accounts payable	186,000	(626,000)
Accrued expenses and other current liabilities	(79,000)	(300,000)
Net cash provided by operating activities	494,000	184,000
Investing activities:
Capitalized software development costs	(22,000)	(419,000)
Purchases of property and equipment	(75,000)	(75,000)
Net cash used for investing activities	(97,000)	(494,000)
Financing activities:
Stock for tax withholding	0	(12,000)
Proceeds from stock options exercised	0	4,000
Net cash used for financing activities	0	(8,000)
Effect of exchange rate changes on cash	(90,000)	30,000
Change in cash and cash equivalents	307,000	(288,000)
Cash and cash equivalents at beginning of period	5,118,000	4,236,000
Cash and cash equivalents at end of period	5,425,000	3,948,000
Non-Cash investing and financing activities:
Purchase of property and equipment in accounts payable	$ 25,000	$ 9,000