Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating activities:
Net income	$ 59,000	$ 299,000
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation and amortization	53,000	67,000
Provision for sales returns and doubtful accounts	2,000	111,000
Stock based compensation	1,000	1,000
Loss on investments	75,000	54,000
Changes in assets and liabilities:
Accounts receivable	255,000	(1,030,000)
Inventories	581,000	27,000
Prepaid expenses and other current assets	(45,000)	(84,000)
Accounts payable	(417,000)	233,000
Accrued liabilities	(80,000)	(44,000)
Other assets and liabilities	9,000	0
Total adjustments	434,000	(665,000)
Net cash provided by (used for) operating activities	493,000	(366,000)
Investing activities:
Acquisition of property & equipment	(3,000)	(23,000)
Net cash used for investing activities	(3,000)	(23,000)
Financing activities:
Dividend payments	(139,000)	(138,000)
Net cash used for financing activities	(139,000)	(138,000)
Impact of exchange rates on cash	(7,000)	(18,000)
Net increase (decrease) in cash and cash equivalents	344,000	(545,000)
Cash and cash equivalents, beginning of period	3,250,000	4,018,000
Cash and cash equivalents, end of period	3,594,000	3,473,000
Supplemental disclosures of cash flow information:
Cash paid for interest	6,000	10,000
Cash paid for income taxes, net	$ 0	$ 0