CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income	$ 394,000	$ 1,160,000
Adjustments to reconcile net income to net cash provided by operating activities:
Share-based compensation expense	145,000	134,000
Incremental tax benefits from stock options exercised		(3,000)
Depreciation and amortization	360,000	454,000
Foreign currency transaction (gains) losses	8,000	(37,000)
Changes in operating assets and liabilities:
Accounts receivable	329,000	5,133,000
Inventories	(41,000)	(900,000)
Prepaid income taxes	198,000
Other current and long term assets	(212,000)	(282,000)
Accounts payable	(27,000)	(2,398,000)
Accrued liabilities and other liabilities	(10,000)	(942,000)
Net cash provided by operating activities	1,144,000	2,319,000
Cash flows from investing activities:
Capital expenditures	(288,000)	(226,000)
Additions to capitalized software		(42,000)
Net cash used in investing activities	(288,000)	(268,000)
Cash flows from financing activities:
Proceeds from stock option exercises	56,000	80,000
Payment of dividends on common stock	(582,000)	(519,000)
Purchases of common stock for treasury		(692,000)
Incremental tax benefits from stock options exercised		3,000
Net cash used in financing activities	(582,000)	(1,128,000)
Effect of exchange rate changes on cash and cash equivalents	(5,000)	(11,000)
Increase in cash and cash equivalents	269,000	912,000
Cash and cash equivalents, beginning of period	2,936,000	7,537,000
Cash and cash equivalents, end of period	$ 3,205,000	$ 8,449,000