Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2023

Accounting Policies [Abstract]

Schedule of components of inventories

	December 31,
	2022
Raw materials and supplies	$	60
Finished goods		46
Total inventories	$	106

Schedule of activity related to our accounts receivable

(In thousands)
Balance at January 1, 2022	$	112
Additions		557
Deductions		(633	)
Balance at December 31, 2022	$	36
Additions		184
Deductions		(174	)
Balance at December 31, 2023	$	46

Schedule of anti-dilutive effect

	December 31,
	2023		2022
Weighted-average anti-dilutive common shares resulting from stock options and awards		70		48
Weighted-average anti-dilutive common shares resulting from warrants		427		283
		497		331

Schedule of minimum operating lease payments

Year ending December 31, 2024	$	66
Total minimum lease payments (base rent)		66
Less: imputed interest		(1	)
Total operating lease liabilities	$	65