Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 45,612	$ 40,859
Accounts receivable:
Trade, net of allowance of $0	28,439	39,110
Retainage	12,494	10,427
Other	1,799	2,040
Income taxes receivable	333	333
Inventory	3,406	3,520
Deferred tax asset	726	726
Costs and estimated earnings in excess of billings on uncompleted contracts	16,556	24,856
Asset held for sale	417	417
Prepaid expenses and other	2,856	2,990
Total current assets	112,638	125,278
Property and equipment, net	160,455	141,923
Inventory, non-current	5,705	4,772
Goodwill	33,798	33,798
Intangible Assets, Net (Excluding Goodwill)	87	197
Other assets	238	240
Total assets	312,921	306,208
Current liabilities:
Current debt	30,675	8,564
Accounts payable:
Trade	11,042	23,105
Retainage	1,863	1,667
Accrued liabilities	12,458	11,415
Accrued Income Taxes, Current	473	459
Billings in excess of costs and estimated earnings on uncompleted contracts	9,834	14,595
Total current liabilities	66,345	59,805
Other long-term liabilities	514	526
Deferred income taxes	17,844	17,978
Deferred revenue	73	87
Total liabilities	84,776	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, 27,731,790 and 27,710,775 issued; 27,414,059 and 27,393,045 outstanding at March 31, 2014 and December 31, 2013, respectively	278	278
Treasury stock, 317,731 shares, at cost	(3,003)	(3,003)
Additional paid-in capital	164,513	163,970
Retained earnings	66,357	66,567
Equity attributable to common stockholders	228,145	227,812
Noncontrolling interest	0	0
Total stockholders’ equity	228,145	227,812
Total liabilities and stockholders’ equity	$ 312,921	$ 306,208