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Note 2 - Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Years Ended December 31,
		2020				2019				2018
Net sales of:
Products		$	172,299			$	193,016			$	183,186
Tooling and machinery			2,787				2,730				4,302
Engineering services			4,287				2,635				2,967
Total net sales		$	179,373			$	198,381			$	190,455

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

		Contract Liabilities
		Years Ended
		December 31,
		2020				2019
Deferred revenue - beginning of period		$	2,574			$	2,507
Increases due to consideration received from customers			2,673				3,216
Revenue recognized			(3,360	)			(3,149	)
Deferred revenue - end of period		$	1,887			$	2,574

		Contract Assets
		Years Ended
		December 31,
		2020				2019
Unbilled Receivables - beginning of period		$	72			$	65
Increases due to revenue recognized - not invoiced to customers			3,147				831
Decreases due to customer invoicing			(2,948	)			(824	)
Unbilled Receivables - end of period		$	271			$	72

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

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