Minimum LIBOR interest rate for debt instrument.

No definition available.

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- Definition

Minimum SOFR interest rate for debt instrument.

+ References

No definition available.

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- Definition

The term of the draw under debt instrument.

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No definition available.

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- Definition

The amount of commitment fees, represented as a percentage of total borrowing capacity, for the unused borrowing capacity under the long-term financing arrangement that is available to the entity.

+ References

No definition available.

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- Definition

Represents the minimum threshold amount for the fixed charge ratio before financial covenants may apply to the associated debt instrument.

+ References

No definition available.

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- Definition

Represents the percentage of maximum borrowing capacity under the credit facility under which the entity is not required to comply with financial covenants associated with the credit facility.

+ References

No definition available.

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- Definition

The amount of the financial institution's obligation to pay the holder of the customer's draft which the financial institution has guaranteed (i.e., Banker's Acceptance).

+ References

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- Definition

Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

+ References

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- Definition

Amount of cash outflow for principal payment on finance lease.

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-SubTopic 20
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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Note K - Notes Payable and Long-term Debt (Details Textual)													12 Months Ended
	Jan. 21, 2022 USD ($)	Jan. 21, 2022 TWD ($)	Dec. 29, 2021 USD ($)	Apr. 05, 2021 USD ($)	Oct. 07, 2020 USD ($)	Sep. 15, 2020 USD ($)	Sep. 15, 2020 TWD ($)	Apr. 17, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 21, 2019 USD ($)	May 24, 2019 USD ($)	Apr. 19, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Oct. 19, 2020 USD ($)	Oct. 19, 2020 CNY (¥)	Oct. 07, 2020 TWD ($)	Jun. 21, 2019 CNY (¥)	May 24, 2019 CNY (¥)	May 07, 2019 CNY (¥)	Apr. 30, 2019 CNY (¥)	Apr. 19, 2019 CNY (¥)	Mar. 05, 2019 USD ($)
Payments to Acquire Property, Plant, and Equipment, Total													$ 7,981,000	$ 15,795,000	$ 28,789,000
Finance Lease, Principal Payments													18,000	17,000	$ 2,000
Long-term Debt, Gross													54,711,000	52,187,000
Debt Instrument, Unused Borrowing Capacity, Amount														28,700,000
Cash Collateral for Borrowed Securities													5,400,000	5,400,000
Chailease Finance Co, Ltd. [Member] \| Promissory Note [Member]
Long-term Debt, Gross													$ 0	$ 1,941,000
Debt Instrument, Interest Rate, Stated Percentage													3.50%	3.50%
Chailease Finance Co, Ltd. [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| Promissory Note [Member]
Finance Lease, Principal Payments						$ 5,500,000
Chailease Finance Co, Ltd. [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| Second Sales Contract [Member]
Finance Lease, Principal Payments							$ 159,027,448
Chailease Finance Co, Ltd. [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| Second Sale Contract [Member]
Long-term Debt, Gross													$ 200,000
Chailease Finance Co, Ltd. [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| Forecast [Member]
Payments to Acquire Property, Plant, and Equipment, Total	$ 800,000	$ 22,311,381
Paycheck Protection Program, CARES Act [Member]
Proceeds from Issuance of Long-term Debt, Total								$ 6,230,000
Long-term Debt, Gross													$ 0	$ 6,229,000
Debt Instrument, Interest Rate, Stated Percentage													1.00%	1.00%
Revolving Credit Facility [Member] \| The NT$100M Credit Line [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member]
Line of Credit Facility, Maximum Borrowing Capacity																		$ 100,000,000
Revolving Credit Facility [Member] \| Truist Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 20,000,000	$ 20,000,000					$ 20,000,000															$ 25,000,000
Debt Instrument, Unused Borrowing Capacity, Fee, Percentage									0.30%
Fixed Charge Cover Ratio, Minimum Threshold									1.5
Line of Credit Facility, Percentage of Maximum Borrowing Capacity, Threshold for Financial Covenants									75.00%
Debt Instrument, LIBOR Floor				0.75%
Long-term Line of Credit, Total													$ 14,400,000
Revolving Credit Facility [Member] \| Truist Bank [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate				1.50%
Revolving Credit Facility [Member] \| Truist Bank [Member] \| Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate			1.56%
Debt Instrument, SOFR Floor			0.75%
Revolving Credit Facility [Member] \| Taishin International Bank [Member] \| The NT$100M Credit Line [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 3,440,000
Revolving Credit Facility [Member] \| Taishin International Bank [Member] \| The US $1M Credit Line [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 1,000,000
Revolving Credit Facility [Member] \| Taishin International Bank in Taiwan [Member] \| The NT$100M Credit Line [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member]
Debt Instrument, Interest Rate, Stated Percentage					2.15%													2.15%
Revolving Credit Facility [Member] \| Taishin International Bank in Taiwan [Member] \| The NT$100M Credit Line [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| Minimum [Member]
Debt Instrument, Term of Draw (Day)					90 days
Revolving Credit Facility [Member] \| Taishin International Bank in Taiwan [Member] \| The NT$100M Credit Line [Member] \| Prime World International Holdings, Ltd. (“Prime World”) [Member] \| Maximum [Member]
Debt Instrument, Term of Draw (Day)					120 days
Revolving Credit Facility [Member] \| China Construction Bank Co., Ltd. [Member] \| China Merchants Credit Line [Member] \| Global Technology, Inc. [Member]
Line of Credit Facility, Maximum Borrowing Capacity																$ 8,900,000	¥ 60,000,000						¥ 60,000,000
Debt Instrument, Term (Month)												12 months
Bank Acceptances Executed													100,000
Revolving Credit Facility [Member] \| China Merchants Bank Co, Ltd [Member]
Line of Credit Facility, Maximum Borrowing Capacity													8,917,000	$ 8,917,000
Long-term Debt, Gross													$ 0	$ 2,299,000
Debt Instrument, Interest Rate, Stated Percentage													4.50%	4.50%
Revolving Credit Facility [Member] \| China Merchants Bank Co, Ltd [Member] \| China Merchants Credit Line [Member] \| Global Technology, Inc. [Member]
Line of Credit Facility, Maximum Borrowing Capacity												$ 8,900,000
Revolving Credit Facility [Member] \| SPD Bank [Member]
Line of Credit Facility, Maximum Borrowing Capacity													$ 25,449,000	$ 25,449,000
Long-term Debt, Gross													$ 19,595,000	$ 11,603,000
Revolving Credit Facility [Member] \| SPD Bank [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage													3.01%	3.01%
Revolving Credit Facility [Member] \| SPD Bank [Member] \| Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage													4.57%	4.57%
Revolving Credit Facility [Member] \| SPD Bank [Member] \| The SPD Credit Line [Member] \| Global Technology, Inc. [Member]
Line of Credit Facility, Maximum Borrowing Capacity											$ 25,400,000									¥ 180,000,000
Long-term Line of Credit, Total													$ 19,600,000
Debt Instrument, Term (Month)											5 years
Bank Acceptances Executed													5,400,000
Revolving Credit Facility [Member] \| SPD Bank [Member] \| The SPD 30M Credit Facility [Member] \| Global Technology, Inc. [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																					¥ 30,000,000
Revolving Credit Facility [Member] \| SPD Bank [Member] \| The SPD 9.9M Credit Facility [Member] \| Global Technology, Inc. [Member]
Line of Credit Facility, Maximum Borrowing Capacity \| ¥																						¥ 9,900,000
Revolving Credit Facility [Member] \| China Zheshang Bank Co., Ltd [Member] \| The ¥100M Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity													14,125,000
Long-term Debt, Gross													$ 13,044,000	$ 0
Debt Instrument, Interest Rate, Stated Percentage													3.50%
Revolving Credit Facility [Member] \| China Zheshang Bank Co., Ltd [Member] \| The ¥100M Credit Facility [Member] \| Global Technology, Inc. [Member]
Line of Credit Facility, Maximum Borrowing Capacity										$ 14,100,000									¥ 100,000,000
Long-term Line of Credit, Total													$ 13,000,000.0
Debt Instrument, Term (Month)										18 months
Bank Acceptances Executed													2,700,000
Revolving Credit Facility [Member] \| China Zheshang Bank Co., Ltd [Member] \| The ¥50M Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity													7,167,000	7,167,000
Long-term Debt, Gross													$ 7,529,000	$ 7,510,000
Debt Instrument, Interest Rate, Stated Percentage													5.70%	5.70%
Revolving Credit Facility [Member] \| China Zheshang Bank Co., Ltd [Member] \| The ¥50M Credit Facility [Member] \| Global Technology, Inc. [Member]
Line of Credit Facility, Maximum Borrowing Capacity										$ 7,100,000									¥ 50,000,000
Long-term Line of Credit, Total													$ 7,500,000
Debt Instrument, Term (Month)										3 years