Note 2 - Operations and Management Plans (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2026	May 31, 2025	May 31, 2026	May 31, 2025	Feb. 03, 2026	Nov. 30, 2025
Retained Earnings (Accumulated Deficit)	$ (56,383)		$ (56,383)			$ (47,096)
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001		$ 0.001			$ 0.001
Net Income (Loss) Attributable to Parent	$ (10,088)	$ 2,427	$ (9,287)	$ 4,089
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation			$ (3,034)	$ (9,235)
Texas Capital Bank [Member] \| The 2026 Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 20,000
Texas Capital Bank [Member] \| The 2026 Credit Facility [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity					5,000
Texas Capital Bank [Member] \| The 2026 Credit Facility [Member] \| Delayed Draw Term Loan (DDTL) [Member]
Line of Credit Facility, Maximum Borrowing Capacity					$ 15,000

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

Amount of accumulated undistributed earnings (deficit).

+ References

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+ Details

Byrna Technologies Inc. 10-Q