Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 45,858	$ 40,859
Accounts receivable:
Trade, net of allowance of $0	30,977	39,110
Retainage	16,640	10,427
Other	1,087	2,040
Income taxes receivable	333	333
Inventory	4,019	3,520
Deferred tax asset	726	726
Costs and estimated earnings in excess of billings on uncompleted contracts	38,671	24,856
Asset held for sale	375	417
Prepaid expenses and other	2,043	2,990
Total current assets	140,729	125,278
Accounts receivable, non-current, net of allowance of $270,000 and $0, respectively	1,694	0
Property and equipment, net	164,471	141,923
Inventory, non-current	5,530	4,772
Goodwill	33,798	33,798
Intangible assets, net of amortization	32	197
Other assets	231	240
Total assets	346,485	306,208
Current liabilities:
Current debt	33,396	8,564
Accounts payable:
Trade	28,466	23,105
Retainage	1,494	1,667
Accrued liabilities	16,215	11,415
Taxes payable	1,161	459
Billings in excess of costs and estimated earnings on uncompleted contracts	15,949	14,595
Total current liabilities	96,681	59,805
Other long-term liabilities	491	526
Deferred income taxes	17,978	17,978
Deferred revenue	44	87
Total liabilities	115,194	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, 27,841,840 and 27,710,775 issued; 27,520,648 and 27,393,045 outstanding at September 30, 2014 and December 31, 2013, respectively	278	278
Treasury stock, 317,731 shares, at cost	(3,003)	(3,003)
Additional paid-in capital	165,862	163,970
Retained earnings	68,154	66,567
Equity attributable to common stockholders	231,291	227,812
Noncontrolling interest	0	0
Total stockholders’ equity	231,291	227,812
Total liabilities and stockholders’ equity	$ 346,485	$ 306,208