CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ (4,212,661)	$ 445,846	$ (64,591,727)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	3,629,603	1,684,839
Stock based compensation expense	2,168,925	1,134,158
Deferred taxes	(539,231)	(17,465)
(Gain) loss on foreign currency transactions	(103,043)	2,200
Bad debt expense (recovery)	213,598	(27,000)
Amortization of loan origination costs	86,527	0
Changes in operating assets and liabilities:
Accounts receivable	5,988,039	7,942,814
Prepaid expenses, other current assets and other assets	(793,908)	97,899
Accounts payable and accrued liabilities	273,716	(2,577,771)
Deferred revenue	723,907	2,359
Net cash provided by operating activities	7,435,472	8,687,879
Cash flows from investing activities:
Purchase of property and equipment	(172,642)	(150,510)
Net cash used in investing activities	(172,642)	(150,510)
Cash flows from financing activities:
Proceeds from exercise of stock options	0	764,547
Proceeds from issuance of common stock	0	43,000,424
Proceeds from exercise of warrants	0	443,750
Payments of capital leases	(73,317)	(69,817)
Payments for restricted stock awards withheld for taxes	(92,600)	0
Payments on long-term debt	(3,750,000)	0
Net cash (used in) provided by financing activities	(3,915,917)	44,138,904
Change in cash, cash equivalents, and restricted cash prior to effects of foreign currency exchange rate	3,346,913	52,676,273
Effect of foreign currency exchange rate (translation)	69,548	(2,200)
Net increase in cash, cash equivalents, and restricted cash	3,416,461	52,674,073
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	28,469,456	$ 74,920,088	25,052,995
Supplemental disclosure of cash flow information:
Cash paid for interest	$ 516,940		$ 2,332