Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 20,735	$ 38,893
Accounts receivable:
Trade, net of allowance of $0	48,679	36,905
Retainage	14,003	15,883
Other	3,229	1,998
Income taxes receivable	100	333
Inventory	7,108	6,487
Deferred tax asset	1,733	1,755
Costs and estimated earnings in excess of billings on uncompleted contracts	45,152	44,581
Asset held for sale	375	375
Prepaid expenses and other	3,568	3,924
Total current assets	144,682	151,134
Property and equipment, net	158,642	161,773
Inventory, non-current	4,983	5,508
Goodwill	33,798	33,798
Intangible assets, net of amortization	31	87
Total assets	342,136	352,300
Current liabilities:
Current debt	29,123	33,527
Accounts payable:
Trade	28,391	21,889
Retainage	1,484	1,706
Accrued liabilities	14,857	15,803
Taxes payable	266	997
Billings in excess of costs and estimated earnings on uncompleted contracts	11,552	16,704
Total current liabilities	85,673	90,626
Long-term debt	3,348	3,480
Other long-term liabilities	565	566
Deferred income taxes	19,693	20,877
Deferred revenue	0	34
Total liabilities	$ 109,279	$ 115,583
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, 27,953,929 and 27,969,783 issued; 27,242,698 and 27,608,552 outstanding at June 30,2015 and December 31, 2014, respectively	279	279
Treasury stock, 711,231 shares, at cost	(6,540)	(3,439)
Additional paid-in capital	167,776	166,433
Retained earnings	71,342	73,444
Total stockholders’ equity	232,857	236,717
Total liabilities and stockholders’ equity	$ 342,136	$ 352,300