Note 3 - Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended
	March 31,
Net sales of:	2022		2021
Products	$	69,505	$	47,323
Tooling and Machinery		478		412
Engineering services		1,259		864
Total net sales	$	71,242	$	48,599

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

	Contract Liabilities
	Three Months Ended March 31,
	2022			2021
Deferred revenue - beginning of period	$	4,247		$	1,887
Increases due to consideration received from customers		1,116			441
Revenue recognized		(323	)		(374	)
Deferred revenue - end of period	$	5,040		$	1,954

	Contract Assets
	Three Months Ended March 31,
	2022			2021
Unbilled Receivables - beginning of period	$	74		$	271
Increases due to revenue recognized, not invoiced to customers		740			531
Decreases due to customer invoicing		(412	)		(578	)
Unbilled Receivables - end of period	$	402		$	224