Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 6,267	$ 8,176
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	3,646	2,715
Provision for bad debts - accounts receivable	323	575
Share-based compensation expense	1,490	1,108
Deferred income tax provision (benefit)	302	(509)
Gain on sale of property, plant and equipment		(1,018)
Change in fair value of acquisition-related contingent liabilities	(840)	81
Changes in assets and liabilities, net of acquistion of business
Accounts receivable - trade	(3,492)	552
Accounts receivable - other	(674)	674
Contract assets	(972)
Inventories	2,953	1,632
Prepaid expenses and other current assets	242	(1,353)
Other assets	(1,827)	(1,784)
Accounts payable and other current liabilities	(7,368)	(2,223)
Long-term pension liability	195	(894)
Other long-term liabilities	(497)	829
Net cash (used in) provided by operating activities	(252)	8,561
CASH FLOWS FROM INVESTING ACTIVITIES
Additions to property, plant and equipment	(2,414)	(2,004)
Acquistion of business, net of acquired cash	(85,597)
Proceeds from disposals of property, plant and equipment		2,810
Net cash (used in) provided by investing activities	(88,011)	806
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	146,157	72,422
Repayment of long-term debt	(56,289)	(74,088)
Payment of cash dividends	(2,827)	(2,490)
Payment of acquisition-related contingent liabilities	(3,033)	(1,800)
Proceeds received on exercise of stock options	405	798
Tax withholding on exercise of stock rights	(17)	(421)
Net cash provided by (used in) financing activities	84,501	(5,509)
Effect of currency exchange rates on cash	(204)	76
Net (decrease) increase in cash and cash equivalents	(3,966)	3,934
Cash and cash equivalents balance, beginning of year	8,130	3,649
Cash and cash equivalents balance, end of period	4,164	7,583
Restricted Stock [Member]
CASH FLOWS FROM FINANCING ACTIVITIES
Tax benefit from vesting of acquisition-related restricted stock	$ 105	$ 70

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.5)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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