CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Current assets
Cash and cash equivalents	$ 13,237	$ 18,750
Accounts receivable, net of allowances	62,922	60,934
Prepaid expenses and other current assets	5,673	6,840
Total current assets	81,832	86,524
Property and equipment, net	111,972	109,724
Goodwill	108,722	108,722
Intangible assets, net	9,136	9,470
Other assets	3,333	1,609
Total assets	314,995	316,049
Current liabilities
Accounts payable	7,416	7,878
Accrued liabilities	19,889	21,653
Current portion of long-term debt	4,092	3,611
Current portion of long-term debt – related party		1,195
Total current liabilities	31,397	34,337
Deferred tax liabilities	1,195	1,195
Long-term debt, net of current portion	138,996	140,335
Other long-term liabilities	4,292	3,694
Total liabilities	175,880	179,561
Stockholders’ equity
Common stock, $0.001 par value: 70,000,000 shares authorized, 22,969,135 and 22,813,809 shares issued and outstanding at March 31, 2016 and December 31, 2015, respectively	23	23
Additional paid-in capital	124,819	121,923
Retained earnings	20,294	19,708
Total stockholders’ equity	145,136	141,654
Noncontrolling interest	(6,021)	(5,166)
Total stockholders’ equity including noncontrolling interest	139,115	136,488
Total liabilities and stockholders’ equity	$ 314,995	$ 316,049