Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 2,260,000	$ 2,043,000
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	1,103,000	953,000
Provision for bad debts - accounts receivable	67,000	59,000
Share-based compensation expense	831,000	824,000
Deferred income tax provision	$ (479,000)	62,000
Loss on sales of property, plant and equipment		12,000
Accretion of acquisition-related contingent liability	$ 35,000	33,000
Changes in assets and liabilities, net of acquisition of business:
Accounts receivable - trade	(3,650,000)	804,000
Accounts receivable - other	(43,000)	(435,000)
Inventories	1,001,000	(1,639,000)
Prepaid expenses and other current assets	(184,000)	(2,230,000)
Other assets	(281,000)	(2,000)
Accounts payable	(1,833,000)	1,142,000
Other current liabilities	(2,245,000)	(2,887,000)
Long-term pension liability	485,000	127,000
Other long-term liabilities	20,000	20,000
Net cash used in operating activities	(2,913,000)	(1,114,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(2,707,000)	$ (906,000)
Acquisition of business, net of acquired cash	(15,252,000)
Net cash used in investing activities	(17,959,000)	$ (906,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	74,363,000	13,220,000
Repayment of long-term debt	(50,250,000)	(10,255,000)
Payment of cash dividends	(1,133,000)	$ (1,000,000)
Payment of contingent liability	(1,800,000)
Proceeds received on exercise of stock options	322,000	$ 356,000
Excess tax benefit from equity-related transactions	593,000	132,000
Net cash provided by financing activities	22,095,000	$ 2,453,000
Effect of currency exchange rates on cash	30,000
Net increase in cash and cash equivalents	1,253,000	$ 433,000
Cash and cash equivalents balance, beginning of year	1,036,000	4,586,000
Cash and cash equivalents balance, end of period	$ 2,289,000	$ 5,019,000