- Definition

The cash inflow received from loan funding under the Paycheck Protection Program which was established under the Coronavirus Aid, Relief and Economic Security (CARES) Act in March 2020.

+ References

No definition available.

+ Details

Name:	frd_ProceedsFromPaycheckProtectionProgramUnderCARESAct
Namespace Prefix:	frd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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.

+ References

No definition available.

+ Details

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

- Definition

The average forward price on the group of price risk forward or futures contracts, such as gas futures contracts.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeAverageForwardPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

- Definition

Nominal mass used to calculate payments on a derivative instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountMass
Namespace Prefix:	us-gaap_
Data Type:	num:massItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=frd_CommodityPriceRiskDerivativeForAugust2020SettlementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=frd_CommodityPriceRiskDerivativeForSeptember2020SettlementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 12 - Subsequent Events (Details Textual) - Subsequent Event [Member]		1 Months Ended
	Apr. 10, 2020 USD ($)	Jun. 29, 2020 T $ / item	Jun. 25, 2020 shares
Proceeds from Paycheck Protection Program Under CARES Act \| $	$ 1,690,385
Stock Repurchase Program, Number of Shares Authorized to be Repurchased (in shares) \| shares			1,062,067
Stock Repurchase Program, Percentage of Total Outstanding Shares of Common Stock			15.00%
Commodity Price Risk Derivative for August 2020 Settlement [Member]
Derivative, Nonmonetary Notional Amount, Mass (US Ton) \| T		4,000
Derivative, Average Forward Price (in USD per Per Share) \| $ / item		514.5
Commodity Price Risk Derivative for September 2020 Settlement [Member]
Derivative, Nonmonetary Notional Amount, Mass (US Ton) \| T		2,000
Derivative, Average Forward Price (in USD per Per Share) \| $ / item		522