Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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The amount of identifiable intangible assets recognized as of the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Note 2 - Acquisition - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2019	May 01, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill	$ 26,753		$ 20,109	$ 20,458
Southwest Electronic Energy Corporation [Member]
Cash		$ 942
Accounts receivable		3,621
Inventories		4,685
Other current assets		431
Property, plant and equipment		9,177
Goodwill		6,534
Accounts payable		(1,060)
Other current liabilities		(778)
Deferred tax liability, net		(1,011)
Net assets acquired		26,190
Southwest Electronic Energy Corporation [Member] \| Customer Relationships [Member]
Intangible assets		2,522
Southwest Electronic Energy Corporation [Member] \| Trade Names [Member]
Intangible assets		$ 1,127