Statements of Operations (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Product [Member]
Revenue from contract with customer		$ 1,347	$ 5,345
Cost of goods and services	2	1,394	6,692
License [Member]
Revenue from contract with customer	2,500	1,718	99
Technology Service [Member]
Revenue from contract with customer		25	3,442
Cost of goods and services		$ 4	$ 1,872