CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ (235,272)	$ 856,595	$ (4,447,933)	$ 1,302,441	$ (64,591,727)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization			7,134,783	4,650,014
Stock-based compensation expense			4,259,795	3,502,350
Deferred taxes			(441,417)	(444,230)
(Gain) loss on foreign currency transactions	(4,216)	9,229	(107,259)	11,429
Bad debt expense			290,426	26,000
Amortization of loan origination costs			164,313	34,342
Changes in operating assets and liabilities:
Accounts receivable			2,141,980	5,862,051
Prepaid expenses, other current assets and other assets			(2,426,711)	1,610,514
Accounts payable and accrued liabilities			2,344,109	161,914
Deferred revenue			686,332	(54,560)
Net cash provided by operating activities			9,598,418	16,662,265
Cash flows from investing activities:
Purchase of property and equipment			(256,391)	(595,126)
Acquisition of business, net of cash and restricted cash acquired			0	(65,802,792)
Net cash used in investing activities			(256,391)	(66,397,918)
Cash flows from financing activities:
Proceeds from exercise of stock options			232,416	2,778,176
Proceeds from issuance of common stock			0	42,995,371
Proceeds from exercise of warrants			0	2,396,250
Payments of capital leases			(142,043)	(139,541)
Proceeds from long-term debt			0	15,000,000
Payments for restricted stock awards withheld for taxes			(306,120)	(507,398)
Payments of contingent consideration			(5,000,000)	0
Payments on long-term debt			(7,500,000)	(1,875,000)
Net cash (used in) provided by financing activities			(12,715,747)	60,647,858
Change in cash, cash equivalents, and restricted cash prior to effects of foreign currency exchange rate			(3,373,720)	10,912,205
Effect of foreign currency exchange rate (translation)			(256,818)	(11,429)
Net (decrease) increase in cash, cash equivalents, and restricted cash			(3,630,538)	10,900,776
Cash, cash equivalents, and restricted cash at beginning of period			25,052,995	22,246,015	22,246,015
Cash, cash equivalents, and restricted cash at end of period	$ 21,422,457	$ 33,146,791	21,422,457	33,146,791	$ 25,052,995
Supplemental disclosure of cash flow information:
Cash paid for interest			$ 1,110,448	$ 140,911