UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (25,119)	$ (9,551)	$ (55,743)	$ (12,472)	$ (18,024)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,389	999	9,132	2,958
Provision for doubtful accounts			3,582	0
Share-based compensation			10,416	5,757
Change in fair value of derivatives			0	(1,284)
Amortization of debt discounts, deferred financing costs, and conversion feature			746	196
Shares issued for services			1,711	324
Loss on extinguishment of debt			8,873	0
Deferred tax			(741)	0
Changes in operating assets and liabilities:
Accounts receivable, net			(2,241)	1,226
Prepaid expenses and other current assets			1,712	(28)
Accounts payable and customer deposits			10,919	1,087
Net billings in excess of revenues			50	(250)
Accrued expenses and other payables			(3,131)	(1,414)
Net cash used in operating activities			(14,715)	(3,900)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, equipment, and software development			(4,765)	(2,189)
Investment in notes receivable			(2,700)	0
Business combinations, net of cash acquired			(1,277)	0
Net cash used in investing activities			(8,742)	(2,189)
CASH FLOWS FROM FINANCING ACTIVITIES:
Exercise of warrants and options			1,597	5,684
Proceeds from issuance of senior secured debt			27,400	0
Repayment of senior secured debt			(41,451)	0
Repayments of other loans			0	(61)
Financing related fees			(4,101)	(633)
Gross proceeds from public offering			39,961	6,100
Net cash provided by financing activities			23,406	11,090
Effect of exchange rate changes on cash, cash equivalents and restricted cash			(80)	126
Increase (decrease) in cash, cash equivalents and restricted cash			(131)	5,127
Cash, cash equivalents and restricted cash, beginning of period			6,483	13,738	13,738
Cash, cash equivalents and restricted cash, end of period	$ 6,352	$ 18,865	6,352	18,865	$ 6,483
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Cash paid during the period for interest			1,717	13
Cash paid during the period for income taxes			251	0
NONCASH FINANCING ACTIVITIES:
Acquisitions paid for with common shares			30,302	0
Conversions of convertible notes			147	1,992
Settlement of debt paid for with common shares			7,529	324
Amendment to warrants and convertible notes into common shares			$ 0	$ 314