CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income	$ 6,557	$ 10,850
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	6,647	1,250
Non-cash interest expense	304	227
Gain on sale of property and equipment	(97)	(70)
Share based compensation expense	1,100	662
Bad debt expense	99	176
Inventory reserve expense (benefit)	(105)	102
Deferred income tax expense	1,126	454
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	2,753	(5,089)
Inventories	1,680	458
Costs and estimated earnings in excess of billings on uncompleted contracts	(941)	4,823
Prepaid expenses and other current assets	1,894	527
Deferred charges and other assets	567	203
Accounts payable and accrued expenses	4,472	319
Billings in excess of costs and estimated earnings on uncompleted contracts	(2,147)	1,303
Income taxes payable	(134)	465
Other liabilities	406	169
Net cash provided by operating activities	24,181	16,829
Cash flows from investing activities:
Acquisitions of property and equipment	(1,377)	(273)
Net cash paid for acquisitions	(104,432)	(4,000)
Net proceeds from sale of equipment	215	382
Net cash used in investing activities	(105,594)	(3,891)
Cash flows from financing activities:
Net borrowings on credit lines	3,366
Borrowings of long-term debt	100,000
Repayments of long-term debt	(14,218)
Deferred financing fees paid	(2,730)
Proceeds from exercise of stock options	1,364	248
Cash paid for repurchase of common shares	(2,365)	(456)
Dividends paid to common shareholders	(4,337)	(2,460)
Net cash provided by (used in) financing activities	81,080	(2,668)
Net (decrease) increase in cash and cash equivalents	(333)	10,270
Cash and cash equivalents at beginning of year	22,994	12,724
Cash and cash equivalents at end of year	22,661	22,994
Supplemental Schedule of Non-Cash Investing and Financing Activities:
Conversion of subordinated debt to common stock		9,600
Common stock issued in business acquisitions	104,753	521
Cash paid during the year for:
Interest	1,838	946
Income taxes	$ 2,237	$ 2,637