Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating activities:
Net income	$ 39,000	$ 955,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	118,000	99,000
Software amortization	362,000	299,000
Stock-based compensation	113,000	104,000
Changes in operating assets and liabilities:
Accounts receivable, net	497,000	282,000
Inventories	141,000	608,000
Prepaid expenses and other current assets	(49,000)	(53,000)
Accounts payable	(106,000)	(451,000)
Accrued expenses and other current liabilities	(146,000)	(899,000)
Net cash provided by operating activities	969,000	944,000
Investing activities:
Capitalized software development costs	(22,000)	(762,000)
Purchases of property and equipment	(102,000)	(160,000)
Net cash used for investing activities	(124,000)	(922,000)
Financing activities:
Stock for tax withholding	(6,000)	(21,000)
Proceeds from PPP Loan	923,700	0
Proceeds from stock options exercised	0	4,000
Net cash provided by (used for) financing activities	918,000	(17,000)
Effect of exchange rate changes on cash	(47,000)	(12,000)
Change in cash and cash equivalents	1,716,000	(7,000)
Cash and cash equivalents at beginning of period	5,118,000	4,236,000
Cash and cash equivalents at end of period	6,834,000	4,229,000
Non-Cash investing and financing activities:
Purchase of property and equipment in accounts payable	$ 0	$ 5,000