Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 45,885	$ 43,084
Accounts receivable:
Trade, net of allowance of $0	29,851	45,072
Retainage	8,476	8,213
Other	1,308	1,712
Income taxes receivable	2,680	3,110
Note receivable	46	46
Inventory	5,077	4,354
Deferred tax asset	37	37
Costs and estimated earnings in excess of billings on uncompleted contracts	20,363	19,245
Asset held for sale	920	920
Prepaid expenses and other	2,377	2,857
Total current assets	117,020	128,650
Property and equipment, net	148,094	150,671
Accounts receivable, long-term	1,410	1,410
Inventory, non-current	915	915
Goodwill	34,817	34,817
Intangible Assets, Net (Excluding Goodwill)	503	627
Other assets	223	225
Total assets	302,982	317,315
Current liabilities:
Current debt	1,556	12,621
Accounts payable:
Trade	19,925	28,744
Retainage	1,774	2,433
Accrued liabilities	10,419	12,456
Accrued Income Taxes, Current	279	252
Billings in excess of costs and estimated earnings on uncompleted contracts	17,184	16,369
Total current liabilities	51,137	72,875
Long-term debt	8,176	0
Other long-term liabilities	784	564
Deferred income taxes	17,829	18,496
Deferred revenue	131	146
Total liabilities	78,057	92,081
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, 27,564,186 and 27,530,220 issued; 27,246,455 and 27,212,489 outstanding at March 31, 2013 and December 31, 2012, respectively	276	275
Treasury stock, 317,731 shares, at cost	(3,003)	(3,003)
Additional paid-in capital	161,760	160,973
Retained earnings	65,849	66,939
Equity attributable to common stockholders	224,882	225,184
Noncontrolling interest	43	50
Total stockholders’ equity	224,925	225,234
Total liabilities and stockholders’ equity	$ 302,982	$ 317,315