The number of manufacturers located in China and Thailand.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Basis of presentation (Details) $ in Thousands		3 Months Ended	9 Months Ended
Basis of presentation (Details) $ in Thousands	Oct. 16, 2020 USD ($) shares	Mar. 31, 2020 USD ($)	Sep. 30, 2020 Manufacturer Segment	Jul. 31, 2020	May 01, 2020 USD ($)	Mar. 13, 2020 USD ($)
Basis of presentation [Abstract]
Number of manufacturers in China and Thailand \| Manufacturer			2
Basis of presentation [Abstract]
Number of operating segments \| Segment			1
Impairment of goodwill		$ 0
Impairment of intangible assets		$ 0
Subsequent Event [Member]
Basis of presentation [Abstract]
Proceeds from Public Offering	$ 8,700
Shares sold in Public Offering (in shares) \| shares	1,380,000
COVID-19 [Member]
Basis of presentation [Abstract]
Percentage reduction in workforce				20.00%
Percentage reduction in salaries of all salaried, non-commissioned employees, including executive officers		10.00%
Percentage reduction in cash retainer fees for all non-employee directors		10.00%
PPP Loan [Member]
Basis of presentation [Abstract]
Face amount					$ 2,200
Revolving Credit Facility [Member]
Basis of presentation [Abstract]
Maximum borrowing capacity						$ 10,000