No definition available.

Name:	ucle_BalanceAmountOwed
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Balance Type:	debit
Period Type:	duration

The amount of bears non-annualized interest payments.

No definition available.

Name:	ucle_BearsNonAnnualizedInterestPayments
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Balance Type:	credit
Period Type:	duration

Line of credit accrues interest rate per share.

No definition available.

Name:	ucle_LineOfCreditAccruesInterestRatePerShare
Namespace Prefix:	ucle_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	instant

The amount of origination fee.

No definition available.

Name:	ucle_OriginationFee
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of remaining principal balance.

No definition available.

Name:	ucle_RemainingPrincipalBalance
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Balance Type:	credit
Period Type:	duration

Amount, after tax, of accumulated unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of other increase (decrease) in additional paid in capital (APIC).

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

The value of the stock converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Name:	us-gaap_ConversionOfStockSharesConverted1
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Period Type:	duration

Amount of annual principal payment for debt instrument.

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Balance Type:	debit
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The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

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The average effective interest rate during the reporting period.

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Period Type:	duration

Amount of principal of debt issued.

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-Subparagraph (SX 210.6-03(i)(1))
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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.

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-Section S99
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Name:	us-gaap_DebtInstrumentLineItems
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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount of the required periodic payments applied to principal.

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Amount of principal of debt repaid.

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Amount, after accumulated amortization, of debt discount (premium).

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Amount of long-term debt classified as other.

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Amount of cash outflow for fees classified as other.

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Value of preferred stock and warrants for common stock issued.

No definition available.

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US NUCLEAR CORP. 10-Q