CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities:
Net income	$ 1,496,000	$ 1,502,000
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	789,000	871,000
Amortization of other intangible assets	134,000	199,000
Amortization of other assets	48,000	143,000
Provision for losses on accounts receivable	35,000	1,000
Stock-based compensation	151,000	87,000
Restricted stock-based compensation	17,000	0
Deferred income taxes-net	784,000	0
Changes in operating assets and liabilities:
Accounts receivable	(5,288,000)	(1,551,000)
Inventories	781,000	597,000
Prepaid expenses and other current assets	(306,000)	(187,000)
Other assets	20,000	(56,000)
Accounts payable	(1,092,000)	1,000
Accrued liabilities	(700,000)	80,000
Other liabilities	(8,000)	(7,000)
Total adjustments	(4,635,000)	178,000
Net cash (used in) provided by operating activities	(3,139,000)	1,680,000
Cash Flows from Investing Activities:
Capital expenditures	(303,000)	(820,000)
Purchase of product license	0	(200,000)
Net cash used in investing activities	(303,000)	(1,020,000)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	62,000	4,000
Proceeds from short-term borrowings	35,140,000	25,878,000
Repayments of short-term borrowings	(31,320,000)	(26,423,000)
Proceeds from term loan	0	381,000
Repayments of term loan	(230,000)	(849,000)
Net cash provided by (used in) financing activities	3,652,000	(1,009,000)
Net increase (decrease) in cash	210,000	(349,000)
Cash at beginning of period	695,000	443,000
Cash at end of period	905,000	94,000
Supplemental disclosures of cash flow information:
Interest	225,000	287,000
Income taxes	$ 33,000	$ 110,000