Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Summary of Accounts Payable and Accrued Expenses

(Table only in thousands)	2014		2013
Trade accounts payable, including due to subcontractors	$	31,882	$	23,108
Compensation and related benefits		2,976		2,412
Accrued interest		193		399
Current portion of earn-out liability		8,738		1,812
Accrued warranty		936		1,107
Other accrued expenses		6,737		5,518
	$	51,462	$	34,356