Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 38,893	$ 40,859
Accounts receivable:
Trade, net of allowance of $0	36,905	39,110
Retainage	15,883	10,427
Other	1,998	2,040
Income taxes receivable	333	333
Inventory	6,487	3,520
Deferred tax asset	1,755	726
Costs and estimated earnings in excess of billings on uncompleted contracts	44,581	24,856
Asset held for sale	375	417
Prepaid expenses and other	3,924	2,990
Total current assets	151,134	125,278
Property and equipment, net	161,773	141,923
Inventory, non-current	5,508	4,772
Goodwill	33,798	33,798
Intangible Assets, Net (Excluding Goodwill)	87	197
Other assets	0	240
Total assets	352,300	306,208
Current liabilities:
Current debt	33,527	8,564
Accounts payable:
Trade	21,889	23,105
Retainage	1,706	1,667
Accrued liabilities	15,803	11,415
Accrued Income Taxes, Current	997	459
Billings in excess of costs and estimated earnings on uncompleted contracts	16,704	14,595
Total current liabilities	90,626	59,805
Long-term debt	3,480	0
Other long-term liabilities	566	526
Deferred income taxes	20,877	17,978
Deferred revenue	34	87
Total liabilities	115,583	78,396
Commitments and contingencies
Stockholders’ equity:
Preferred stock -- $0.01 par value, 10,000,000 authorized, none issued	0	0
Common stock -- $0.01 par value, 50,000,000 authorized, 27,969,783 and 27,710,776 issued; 27,525,365 and 27,393,045 outstanding at December 31, 2014 and December 31, 2013, respectively	279	278
Treasury stock, 361,231 and 317,731 shares, at cost December 31, 2014 and December 31, 2013, respectively	(3,439)	(3,003)
Additional paid-in capital	166,433	163,970
Retained earnings	73,444	66,567
Equity attributable to common stockholders	236,717	227,812
Noncontrolling interest	0	0
Total stockholders’ equity	236,717	227,812
Total liabilities and stockholders’ equity	$ 352,300	$ 306,208