Note 2 - Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three Months Ended				Six Months Ended
	June 30,				June 30,
Net sales of:	2019		2018		2019		2018
Products	$	50,576	$	47,102	$	96,984	$	89,246
Tooling and Machinery		323		1,107		969		1,598
Engineering services		500		810		773		1,105
Total net sales	$	51,399	$	49,019	$	98,726	$	91,949

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

	Contract Liabilities
	Six Months Ended June 30,
	2019			2018
Deferred revenue - beginning of period	$	2,507		$	871
Acquired in Dielectrics business combination		-			2,175
Increases due to consideration received from customers		1,541			1,855
Revenue recognized		(1,097	)		(1,570	)
Deferred revenue - end of period	$	2,951		$	3,331

	Contract Assets
	Six Months Ended June 30,
	2019			2018
Unbilled Receivables - beginning of period	$	65		$	-
Decreases due to customer invoicing		(314	)		-
Increases due to revenue recognized - not invoiced to customers		280			236
Unbilled Receivables - end of period	$	31		$	236