XML 94 R81.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes - Schedule of Components of Deferred Tax Assets and Liabilities (Detail) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Deferred tax assets:    
Allowance for doubtful accounts $ 427,484 $ 625,317
Goodwill   8,782,364
Other assets (2,047,104) (42,787)
Accrued expenses 355,361 1,497,317
Other long-term liabilities 2,918,611 6,353,590
Stock-based compensation 107,715 248,046
Net operating losses 5,506,040 3,750,420
Subtotal 7,268,107 21,214,267
Valuation allowance (328,170) (528,179)
Total 6,939,937 20,686,088
Deferred tax liabilities:    
Prepaid expenses (96,085) (874,495)
Property and equipment (2,743,550) (6,110,234)
Intangibles (119,383,233) (174,240,627)
Total (122,222,868) (181,225,356)
Net deferred tax liabilities $ (115,282,931) $ (160,539,268)