CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
CURRENT ASSETS:
Cash and cash equivalents	$ 51,008	$ 133,596
Accounts receivable - net of allowance for doubtful accounts of $335 and $552, respectively	160,047	115,179
Inventories	9,148	4,713
Prepaid expenses	5,543	4,608
Other current assets	975	6,684
Total current assets	226,721	264,780
PROPERTY AND EQUIPMENT - Net of accumulated depreciation	399,268	263,862
OTHER NONCURRENT ASSETS:
Goodwill	9,425	9,425
Intangible assets - net of amortization	373	589
Deferred revenue rebate - net of amortization	1,077	2,462
Other noncurrent assets	1,727	304
Total other noncurrent assets	12,602	12,780
TOTAL ASSETS	638,591	541,422
CURRENT LIABILITIES:
Accounts payable	181,660	129,093
Accrued liabilities	11,074	13,619
Current portion of long-term debt	7,441	16,920
Accrued interest payable	86	109
Total current liabilities	200,261	159,741
DEFERRED INCOME TAXES	1,315	1,148
LONG-TERM DEBT	34,476	159,407
OTHER LONG-TERM LIABILITIES	124	117
Total liabilities	236,176	320,413
COMMITMENTS AND CONTINGENCIES (Note 9)
SHAREHOLDERS’ EQUITY:
Preferred stock, $0.001 par value, 30,000,000 shares authorized, 0 and 16,999,990 shares issued, respectively	0	17
Preferred stock, additional paid-in capital	0	162,494
Common stock, $0.001 par value, 200,000,000 shares authorized, 83,039,854 and 52,627,652 shares issued, respectively	83	53
Additional paid-in capital	606,707	265,355
Accumulated deficit	(204,375)	(206,910)
Total shareholders’ equity	402,415	221,009
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 638,591	$ 541,422