BALANCE SHEET DETAILS

12 Months Ended

Dec. 31, 2022

Balance Sheet Related Disclosures [Abstract]

NOTE 4-BALANCE SHEET DETAILS

The following tables provide details of selected balance sheet items:


	December 31,		December 31,
	2022		2021
	(in thousands)
Inventories:
Raw materials	$	55	$	563
Work in process		14		39
Finished goods (1)		1,200		935
Total Inventories	$	1,269	$	1,537

(1)

Includes finished goods at customer sites of approximately $0.1 million and $0.1 million at December 31, 2022 and 2021, respectively, for which the customer has taken possession, but based on specific contractual terms, title has not yet passed to the customer and for which revenue has not yet been recognized.


	December 31,		December 31,
	2022		2021
	(in thousands)
Prepaid and other current assets
Prepaid tax (1)	$	553	$	1,295
Advance to suppliers		50		7
Other receivables		446		796
Prepaid and others (2)		3,046		2,713
Total Prepaid and other current assets	$	4,095	$	4,811

(1)

2022 balance includes $0.1 million prepaid consumption tax, $0.2 million prepaid value added tax and $0.3 million prepaid goods and service tax. 2021 balance includes $0.1 million prepaid consumption tax, $0.9 million prepaid value added tax, $0.01 million duty recoverable and $0.3 million prepaid goods and service tax.

(2)

2022 balance includes $2.1 million interest receivable. 2021 balance includes $2.0 million interest receivable.


	December 31,			December 31,
	2022			2021
	(in thousands)
Property, plant and equipment, net:
Leasehold improvements	$	1,637		$	1,801
Automobiles		256			271
Computers and software		3,132			4,461
Equipment and furniture		19,668			22,240
Total		24,693			28,773
Less: accumulated depreciation		(24,089	)		(28,171	)
Total Property, plant and equipment, net	$	604		$	602

During the years ended December 31, 2022, 2021 and 2020, the Company wrote-off fully depreciated property, plant and equipment of $1.4 million with accumulated depreciation of $1.4 million, $2.4 million with accumulated depreciation of $2.4 million, and $0.5 million with accumulated depreciation of $0.5 million, respectively.


	December 31,		December 31,
	2022		2021
	(in thousands)
Other current liabilities:
Warranty costs	$	67	$	53
Accrued professional fees		702		993
Accrued other taxes		878		36
Provision for liquidation damages		1,031		1,073
Contract deposits		604		349
Others		611		869
Total other current liabilities	$	3,893	$	3,373


	December 31,		December 31,
	2022		2021
	(in thousands)
Other long-term liabilities
Non-current income tax payable	$	1,000	$	979
Total other long-term liabilities	$	1,000	$	979