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The following table summarizes the activities for our restricted stock awards for the three months ended March 31, 2023, and 2022. (Details) - Restricted Stock Awards [Member] - Stock Option Plan 2021 [Member] - $ / shares	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Outstanding at beginning	950,000	1,000,000
Outstanding at beginning	$ 3.04	$ 3.01
Granted
Granted
Vested	50,000
Vested	$ 3.31
Forfeited/canceled
Forfeited/canceled
Outstanding at ending	900,000	1,000,000
Outstanding at ending	$ 2.93	$ 3.01

X

- Definition

The element represents share based compensation arrangement by share based payment award options forfeitures in period unvested.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriodUnvested
Namespace Prefix:	krmd_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents share based compensation arrangement by share based payment award options grants in period gross unvested.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrossUnvested
Namespace Prefix:	krmd_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents share based compensation arrangement by share based payment award options outstanding number unvested.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumberUnvested
Namespace Prefix:	krmd_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The element represents share based compensation arrangement by share based payment award options outstanding weighted average exercise price unvested.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceUnvested
Namespace Prefix:	krmd_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

The element represents share based compensation arrangement by share based payment award options vested in period gross.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodGross
Namespace Prefix:	krmd_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents share based compensation arrangements by share based payment award options forfeitures in period weighted average exercise price unvested.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePriceUnvested
Namespace Prefix:	krmd_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents share based compensation arrangements by share based payment award options grants in period weighted average exercise price unvested.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePriceUnvested
Namespace Prefix:	krmd_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The element represents share based compensation arrangements by share based payment award options vested in period weighted average exercise price.

+ References

No definition available.

+ Details

Name:	krmd_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedInPeriodWeightedAverageExercisePrice
Namespace Prefix:	krmd_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AwardTypeAxis=krmd_RestrictedStockAwardsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PlanNameAxis=krmd_StockOptionPlan2021Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: