Note T - Subsequent Events	12 Months Ended
Dec. 31, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	T. SUBSEQUENT EVENTS The Company evaluates events that occur through the filing date and discloses any material events or transactions. On February 19, 2021, the Company’s Board of Directors announced a regular dividend of $1.00 per share, plus an extra dividend of $5.25. On March 12, 2021, a payment of $44,083,000 was made to the shareholders of record as of March 1, 2021. On March 12, 2021, AMTEC Corporation, the Company's wholly-owned subsidiary, received an option award under year five (Government Fiscal Year (FY) 2021) of AMTEC's current five-year 40mm systems contract with the Department of the Army. This award when combined with the prior award on May 22, 2020 totals $92,900,000 for delivery of M918 and M385A1 Projectile Assemblies used in the Army's legacy high velocity training rounds.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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