Revenue Data by Customer Type (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020 USD ($) distribution_channel	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) distribution_channel	Jun. 30, 2019 USD ($)
Revenue, Major Customer [Line Items]
Number of primary distribution channels \| distribution_channel	2		2
Net sales	$ 53,647	$ 67,437	$ 115,383	$ 133,992
Direct Customers
Revenue, Major Customer [Line Items]
Net sales	52,755	65,208	112,651	129,750
Distributors
Revenue, Major Customer [Line Items]
Net sales	$ 892	$ 2,229	$ 2,732	$ 4,242

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration