CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net loss	$ (19,886)	$ (3,838)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, amortization and accretion	6,700	3,121
Current expected credit losses	978	397
Provision for obsolete inventory	1,439	(522)
Stock-based compensation	2,212	850
Loss on debt extinguishment	8,123	0
Deferred income tax	(4,408)	(4,065)
Changes in operating assets and liabilities:
Accounts receivable	2,560	(284)
Inventories	(8,105)	1,876
Other current assets	260	(3,406)
Other assets	119	150
Accounts payable	(931)	(2,208)
Accrued salaries and benefits	(231)	(240)
Accrued expenses	(652)	2,840
Customer deposits and deferred service revenue	(2,438)	1,548
Other long-term liabilities	618	(2,760)
Net cash used in operating activities	(13,642)	(6,541)
Cash flows from investing activities:
Settlement of working capital for acquisitions	172	0
Capital expenditures	(188)	(1,693)
Capitalization of software costs	(4,613)	(1,624)
Net cash used in investing activities	(4,629)	(3,317)
Cash flows from financing activities:
Payments of long-term debt	(313)	0
Payment of contingent consideration	0	(2,550)
Payments of bank borrowings	0	(17,459)
Proceeds from bank borrowings	0	9,640
Payments for the extinguishment of notes payable	(66,250)	0
Proceeds from notes payable, net of issuance costs	115,916	75,039
Treasury stock acquired from employees upon vesting or forfeiture of restricted stock	(332)	0
Proceeds from exercise of stock options	42	243
Net cash provided by financing activities	49,063	64,913
Effect of exchange rate changes on cash and cash equivalents	(53)	121
Net increase in cash and cash equivalents	30,739	55,176
Cash and cash equivalents at beginning of period	28,036	3,485
Cash and equivalents at end of period	58,775	58,661
Supplemental disclosures of cash flow information:
Cash paid for interest	1,262	153
Income taxes, net of refunds	10	125
Capitalized software recorded in accounts payable	$ 245	$ 0