Composition of Certain Financial Statement Items (Tables)

12 Months Ended

Dec. 31, 2019

Condensed Consolidated Balance Sheet Components [Abstract]

Schedule of Inventory

Inventories consist of the following:

	December 31, 2019		December 31, 2018
	(in thousands)
Raw materials	$	1,288	$	1,410
Finished goods		44,423		48,062
Total inventories	$	45,711	$	49,472

Schedule of Property and Equipment

Property and equipment are presented at cost less accumulated depreciation and amortization. Repairs and maintenance expenditures are expensed as incurred. Depreciation and amortization are computed on a straight-line basis over the following estimated useful lives:

	Estimated Life
Machinery and equipment	3 years
Software and software development	2-3 years
Furniture and fixtures	5 years
Tooling	2 years
Leasehold improvements	Term of lease or economic life of asset, if shorter
Demonstration units and convention booths	2 years

Property and equipment, net consists of the following:

	December 31, 2019			December 31, 2018
	(in thousands)
Machinery and equipment	$	1,783		$	1,616
Software and software development		439			306
Furniture and fixtures		601			535
Tooling		5,340			3,925
Leasehold improvements		1,326			1,325
Demonstration units and convention booths		12,051			11,659
Total property and equipment, gross		21,540			19,366
Less: accumulated depreciation and amortization		(17,578	)		(13,510	)
Total property and equipment, net	$	3,962		$	5,856

Other Current Liabilities

Other current liabilities consist of the following:

	December 31, 2019		December 31, 2018
	(in thousands)
Accrued customer fees	$	3,147	$	570
Accrued royalty		3,880		4,069
Accrued employee expenses		3,674		4,570
Accrued marketing		3,695		1,692
Foreign tax liability		2,504		1,311
Accrued expenses		9,522		6,276
Total other current liabilities	$	26,422	$	18,488

Other Non-operating Expense (Income), Net

Other non-operating expense (income), net consists of the following:

	Year Ended
	December 31,
	2019			2018		2017
	(in thousands)
Unrealized loss (gain) on financial instrument obligation	$	(1,601	)	$	5,291	$	—
Change in fair value of contingent consideration		(471	)		—		—
Loss on debt extinguishment		—			1,572		—
Other non-operating expense (income)		(137	)		916		(463	)
Total other non-operating expense (income),net	$	(2,209	)	$	7,779	$	(463	)