Note L - Stockholders' Equity (Details Textual)	Jun. 25, 2020 shares
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares)	1,062,067
Stock Repurchase Program, Percentage of Total Outstanding Shares of Common Stock	15.00%

The percentage of the company's total outstanding shares of commons stock which have been authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

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Namespace Prefix:	frd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant