Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 17,682	$ 108,441
Accounts receivable, net	153,610	118,694
Inventories, net	137,666	118,459
Income tax receivables	9,657	17,158
Prepaid expenses and other	11,597	12,423
Total current assets	330,212	375,175
Property, plant and equipment, net	9,763	9,774
Goodwill	69,727	69,727
Other intangible assets, net	186,507	198,260
Other assets	26,109	3,088
Total assets	622,318	656,024
Current Liabilities
Accounts payable	81,377	82,755
Accounts payable - related party	610	2,232
Accrued expenses and other	19,129	29,164
Accrued warranty reserve	2,968	3,049
Income tax payable	0	8,814
Deferred revenue	51,458	149,821
Current portion of contingent consideration	1,908	8,955
Current portion of term loan	4,300	4,313
Other current liabilities	6,379	0
Total current liabilities	168,129	289,103
Long-term liabilities
Deferred tax liability	14,472	13,114
Contingent consideration, net of current portion	10,108	10,736
Other long-term liabilities	4,273	0
Long-term debt, net of current portion, debt discount and issuance costs	493,945	423,970
Total long-term liabilities	522,798	447,820
Total liabilities	690,927	736,923
Commitments and contingencies (Note 12)
Preferred stock of 0.001 par value - 5,000,000 shares authorized; none issued as of June 30, 2021 and December 31, 2020	0	0
Common stock of $0.001 par value - 1,000,000,000 shares authorized; 126,994,467 shares issued as of June 30, 2021 and December 31, 2020	127	127
Additional paid-in capital	149,893	140,473
Accumulated deficit	(218,629)	(221,499)
Total stockholders’ deficit	(68,609)	(80,899)
Total liabilities and stockholders’ deficit	$ 622,318	$ 656,024