INTANGIBLE ASSETS

3 Months Ended

Mar. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

INTANGIBLE ASSETS

4. INTANGIBLE ASSETS

The changes in the carrying amount of intangible assets for the three months ended March 31, 2022 were as follows:

Net balance at December 31, 2021	$	378
Deduction: Amortization expense		(27	)
Net balance at March 31, 2022	$	351

The following tables set forth the components of intangible assets as of March 31, 2022 and December 31, 2021:

		As of March 31, 2022
	Estimated Useful Life	Adjusted Carrying Amount		Accumulated Amortization			Net
Patents and copyrights	2-17 years	$	375	$	(257	)	$	118
Developed technology	5 years		400		(167	)		233
		$	775	$	(424	)	$	351

		As of December 31, 2021
	Estimated Useful Life	Adjusted Carrying Amount		Accumulated Amortization			Net
Patents and copyrights	2-17 years	$	375	$	(250	)	$	125
Developed technology	5 years		400		(147	)		253
		$	775	$	(397	)	$	378

The following summarizes amortization of intangible assets included in the accompanying statements of operations:

	Three Months Ended
	March 31,
	2022		2021
Cost of sales	$	24	$	24
General and administrative		3		3
	$	27	$	27