CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Current assets
Cash and cash equivalents	$ 18,750	$ 48,540
Accounts receivable, net of allowances	60,934	28,718
Deferred tax assets		1,214
Prepaid expenses and other current assets	6,840	1,450
Total current assets	86,524	79,922
Property and equipment, net	109,724	49,196
Goodwill	108,722	12,702
Intangible assets, net	9,470	2,935
Other assets	1,609	1,197
Total assets	316,049	145,952
Current liabilities
Accounts payable	7,878	2,001
Accrued liabilities	21,653	10,411
Current portion of long-term debt	3,611	2,570
Current portion of long-term debt – related party	1,195	1,787
Total current liabilities	34,337	16,769
Deferred tax liabilities	1,195	1,479
Long-term debt, net of current portion	140,335	24,097
Long-term debt—related party, net of current portion		187
Other long-term liabilities	3,694	431
Total liabilities	$ 179,561	$ 42,963
Commitments and contingencies
Mezzanine equity including noncontrolling interest
Noncontrolling interest—Series A Preferred Units		$ 7,848
Total mezzanine equity including noncontrolling interest		7,848
Stockholders’ equity
Common stock, $0.001 par value: 70,000,000 shares authorized, 21,374,374 and 22,813,809 shares issued and outstanding at December 31, 2014 and 2015, respectively	$ 23	21
Additional paid-in capital	121,923	88,238
Retained earnings	19,708	9,215
Total stockholders’ equity	141,654	97,474
Noncontrolling interest	(5,166)	(2,333)
Total stockholders’ equity including noncontrolling interest	136,488	95,141
Total liabilities, mezzanine equity and stockholders’ equity	$ 316,049	$ 145,952