CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net income	$ 5,069,000	$ 2,507,000
Adjustments to reconcile net income to net cash provided by operating activities of continuing operations:
Loss (income) from discontinued operations	14,000	(639,000)
Non-cash charges:
Depreciation and amortization	1,235,000	1,204,000
Amortization of other intangible assets	298,000	263,000
Amortization of other assets	214,000	214,000
Provision for bad debt (recovery)	12,000	(16,000)
Stock-based compensation	139,000	143,000
Loss on sale of fixed assets	2,000	0
Deferred income taxes-net	(2,358,000)	0
Changes in operating assets and liabilities:
Accounts receivable	(4,724,000)	(1,817,000)
Inventories	(164,000)	689,000
Prepaid expenses and other current assets	(180,000)	(331,000)
Other assets	(60,000)	5,000
Accounts payable	1,398,000	1,495,000
Accrued liabilities	987,000	808,000
Total adjustments	(3,187,000)	2,018,000
Net cash provided by operating activities of continuing operations	1,882,000	4,525,000
Cash Flows from Investing Activities:
Capital expenditures	(1,736,000)	(570,000)
Proceeds from disposal of fixed assets	8,000	1,000
Purchase of product license	(200,000)	0
Net cash used in investing activities	(1,928,000)	(569,000)
Cash Flows from Financing Activities:
Proceeds from exercise of stock options	304,000	0
Proceeds from short-term borrowings	40,043,000	27,255,000
Repayments of short-term borrowings	(40,088,000)	(31,530,000)
Repayment of notes payable	(250,000)	(385,000)
Proceeds from term loans	900,000	0
Repayments of term loans	(970,000)	(304,000)
Net cash used in financing activities	(61,000)	(4,964,000)
Cash Flows from Discontinued Operations:
Operating activities	(24,000)	634,000
Net cash (used in) provided by discontinued operations	(24,000)	634,000
Net decrease in cash	(131,000)	(374,000)
Cash at beginning of period	443,000	874,000
Cash at end of period	312,000	500,000
Supplemental disclosures of cash flow information:
Interest	414,000	615,000
Income taxes	161,000	8,000
Supplemental disclosure of non-cash investing activities:
Write-off of fully depreciated machinery and equipment	$ 708,000	$ 0