Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 19,133	$ 108,441
Accounts receivable, net	121,921	118,694
Inventories, net	124,705	118,459
Income tax receivables	4,155	17,158
Prepaid expenses and other	15,639	12,423
Total current assets	285,553	375,175
Property, plant and equipment, net	9,740	9,774
Goodwill	69,727	69,727
Other intangible assets, net	192,383	198,260
Other assets	25,873	3,088
Total assets	583,276	656,024
Current Liabilities
Accounts payable	71,823	82,755
Accounts payable - related party	2,608	2,232
Accrued expenses and other	34,551	29,164
Accrued warranty reserve	3,098	3,049
Income tax payable	10,224	8,814
Deferred revenue	89,880	149,821
Current portion of contingent consideration	9,567	8,955
Current portion of term loan	4,300	4,313
Other current liabilities	6,288	0
Total current liabilities	232,339	289,103
Long-term liabilities
Deferred tax liability	13,043	13,114
Contingent consideration, net of current portion	10,272	10,736
Other long-term liabilities	6,055	0
Long-term debt, net of current portion, debt discount and issuance costs	391,682	423,970
Total long-term liabilities	421,052	447,820
Total liabilities	653,391	736,923
Commitments and contingencies (Note 12)
Preferred stock of 0.001 par value - 5,000,000 shares authorized; none issued as of March 31, 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 March 31, 2021 and December 31, 2020	127	127
Additional paid-in capital	148,370	140,473
Accumulated deficit	(218,612)	(221,499)
Total stockholders’ deficit	(70,115)	(80,899)
Total liabilities and stockholders’ deficit	$ 583,276	$ 656,024