CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash Flows from Operating Activities:
Net income	$ 2,306,000	$ 5,069,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,176,000	1,235,000
Amortization of other intangible assets	192,000	298,000
Amortization of other assets	75,000	214,000
Provision for losses on accounts receivable	46,000	12,000
Stock-based compensation	245,000	139,000
Restricted stock-based compensation	30,000	0
Loss on sale of fixed assets	0	2,000
Deferred income taxes-net	1,098,000	(2,358,000)
Changes in operating assets and liabilities:
Accounts receivable	(5,426,000)	(4,724,000)
Inventories	927,000	(164,000)
Prepaid expenses and other current assets	(313,000)	(180,000)
Other assets	44,000	(60,000)
Accounts payable	91,000	1,398,000
Accrued liabilities	515,000	987,000
Other liabilities	(12,000)	(10,000)
Total adjustments	(1,312,000)	(3,211,000)
Net cash provided by operating activities	994,000	1,858,000
Cash Flows from Investing Activities:
Capital expenditures	(428,000)	(1,736,000)
Purchase of product license	0	(200,000)
Proceeds from disposal of assets	0	8,000
Net cash used in investing activities	(428,000)	(1,928,000)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	62,000	304,000
Proceeds from short-term borrowings	49,408,000	40,043,000
Repayments of short-term borrowings	(49,911,000)	(40,088,000)
Repayment of notes payable	0	(250,000)
Proceeds from term loan	0	900,000
Repayments of term loan	(345,000)	(970,000)
Net cash used in financing activities	(786,000)	(61,000)
Net decrease in cash	(220,000)	(131,000)
Cash at beginning of period	695,000	443,000
Cash at end of period	475,000	312,000
Supplemental disclosures of cash flow information:
Interest	329,000	414,000
Income taxes	$ 46,000	$ 161,000