Accounts receivable balances for these four customers were approximately: (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Total	$ 2,654	$ 3,790
Customer One [Member]
Total	1,197	1,489
Customer Two [Member]
Total	548	880
Customer Three [Member]
Total	424	1,050
Customer Four [Member]
Total	$ 485	$ 371