Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accrued Expenses And Other Current Liabilities
Holzworth earnout (Year 1 and Year 2)	$ 2,284	$ 2,942
Payroll and related benefits	765	718
Accrued income taxes	555
Accrued commissions	415	465
Accrued professional fees	395	524
Goods received not invoiced	228	277
Sales and use and VAT tax	120	276
Warranty reserve	76	61
Accrued bonus		590
Holzworth deferred purchase price		250
Other	404	573
Total	$ 5,242	$ 6,676