CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net loss	$ (10,910)	$ (2,729)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, amortization and accretion	3,142	1,012
Current expected credit losses	244	107
Provision for obsolete inventory	1,188	588
Stock-based compensation	1,089	248
Loss on debt extinguishment	8,123	0
Deferred income tax	(5,386)	0
Changes in operating assets and liabilities:
Accounts receivable	(1,289)	(3,199)
Inventories	(5,201)	(490)
Other current assets	(2,764)	(1,848)
Other assets	85	(240)
Accounts payable	218	2,150
Accrued salaries and benefits	(1,646)	(795)
Accrued expenses	(283)	110
Customer deposits and deferred service revenue	(1,733)	2,089
Other long-term liabilities	0	(213)
Net cash used in operating activities	(15,123)	(3,210)
Cash flows from investing activities:
Capital expenditures	(188)	(887)
Capitalization of software costs	(1,852)	(1,036)
Net cash used in investing activities	(2,040)	(1,923)
Cash flows from financing activities:
Payments of long-term debt	(154)	0
Payment of contingent consideration	0	(2,550)
Payments of bank borrowings	0	(16,777)
Proceeds from bank borrowings	0	25,097
Payments for the extinguishment of notes payable	(66,250)	0
Proceeds from notes payable, net of issuance costs	115,916	0
Treasury stock acquired from employees upon vesting or forfeiture of restricted stock	(153)	0
Proceeds from exercise of stock options	30	30
Net cash provided by financing activities	49,389	5,800
Effect of exchange rate changes on cash and cash equivalents	(173)	(10)
Net increase in cash and cash equivalents	32,053	657
Cash and cash equivalents at beginning of period	28,036	3,485
Cash and equivalents at end of period	60,089	4,142
Cash paid during the period for:
Interest	953	115
Additions to right-of-use assets and operating lease liabilities	$ 0	$ 3,717