CumulativeEquityInIncomeOfUnconsolidatedAffiliate

No definition available.

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Namespace Prefix:	apt_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Purchases from our Joint venture.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Represents the number of stores owned.

+ References

No definition available.

+ Details

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Data Type:	xbrli:pureItemType
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- Definition

Represents the number of stores rented.

+ References

No definition available.

+ Details

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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

+ References

+ Details

Name:	us-gaap_EquityMethodInvestmentDividendsOrDistributions
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of other-than-temporary decline in value that has been recognized against investment accounted for under equity method of accounting.

+ References

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Balance Type:	credit
Period Type:	duration

- Definition

Represents the number of stores.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfStores
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature, attributable to noncontrolling interests.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

+ References

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

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Period Type:	duration

- Details

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- Details

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- Details

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- Details

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Note 6 - Equity Investment in Unconsolidated Affiliate (Details Textual)	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($) ft²	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2005
Income (Loss) from Equity Method Investments	$ 138,000	$ 109,000
INDIA \| Harmony [Member]
Number of Stores	4
Number Of Stores Owned	3
Number Of Stores Rented	1
INDIA \| Harmony [Member] \| Manufacturing Building Products [Member]
Area of Real Estate Property (Square Foot) \| ft²	139,000
INDIA \| Harmony [Member] \| Manufacturing Coated Material and Sewing Proprietary Disposable Protective Apparel [Member]
Area of Real Estate Property (Square Foot) \| ft²	121,000
INDIA \| Harmony [Member] \| Sewing Proprietary Disposable Protective Apparel [Member]
Area of Real Estate Property (Square Foot) \| ft²	23,000
INDIA \| Harmony [Member] \| Manufacturing Of Building Products [Member]
Area of Real Estate Property (Square Foot) \| ft²	159,000
Harmony [Member]
Equity Method Investment, Other than Temporary Impairment	$ 0		$ 0
Expense To Acquire Inventory	5,329,000	5,036,000
Proceeds from Sale of Productive Assets	0	0
Income (Loss) from Equity Method Investments	138,000	$ 109,000
Equity Method Investments	5,391,000
Equity Method Investment, Aggregate Cost	1,450,000
Cumulative Equity In Income Of Unconsolidated Affiliate	6,391,000
Proceeds from Equity Method Investment, Distribution, Return of Capital	942,000
Proceeds from Equity Method Investment, Distribution	77,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	$ 1,431,000
Harmony [Member] \| Alpha Pro Tech Engineered Products [Member]
Equity Method Investment, Ownership Percentage				41.66%
Harmony [Member] \| Maple Industries and Associates [Member]
Equity Method Investment, Ownership Percentage				58.34%