Note 4 - Balance Sheet Components

12 Months Ended

Dec. 31, 2020

Notes to Financial Statements

Supplemental Balance Sheet Disclosures [Text Block]

4.     BALANCE SHEET COMPONENTS

The components of certain balance sheet amounts are as follows (in thousands):

	December 31,
	2020			2019
Cash and cash equivalents:
Cash	$	23,977		$	13,720
Cash equivalents		68,390			82,315
		92,367			96,035
Restricted cash		525			3,390
	$	92,892		$	99,425
Inventories:
Finished goods	$	3,071		$	6,142
Raw materials		1,047			1,249
Reserve for obsolescence		(339	)		(987	)
	$	3,779		$	6,404
Property and equipment:
Office equipment	$	449		$	578
Office software		1,001			1,037
Machinery		30			28
Furniture and fixtures		254			327
Leasehold improvements		839			1,001
Construction in progress		41			—
Property and equipment, at cost		2,614			2,971
Accumulated depreciation and amortization		(2,075	)		(2,236	)
	$	539		$	735
Other accrued expenses:
Sales returns	$	189		$	373
Employee-related expense		1,149			1,258
Warehousing, inventory-related and other		584			756
	$	1,922		$	2,387
Deferred revenue:
Unshipped product and unredeemed product vouchers	$	1,005		$	2,390
Auto ship advances		1,977			1,985
Other		109			131
	$	3,091		$	4,506

As of December 31, 2020, cash and cash equivalents include $12.5 million held in banks located within China subject to foreign currency controls.