Condensed Consolidated Statements of Changes in Shareholders’ Equity (Deficit) (Unaudited) - USD ($) $ in Thousands	Class A Common Shares	Class B Common Shares	Non-Voting Common Shares	Additional Paid-in Capital	Accumulated Deficit	Total
Balance at May. 31, 2022	$ 3,104				$ (5,276)	$ (2,172)
Balance (in Shares) at May. 31, 2022	3,221,252	1,062,244	168,832
Settlement of Shareholder Advances	$ 1,979					1,979
Settlement of Shareholder Advances (in Shares)	1,854,168
Stock-based Compensation				7		7
Net income (loss)					(150)	(150)
Balance at Aug. 31, 2022	$ 5,083			7	(5,426)	(336)
Balance (in Shares) at Aug. 31, 2022	5,075,420	1,062,244	168,832
Balance at May. 31, 2022	$ 3,104				(5,276)	(2,172)
Balance (in Shares) at May. 31, 2022	3,221,252	1,062,244	168,832
Net income (loss)						(803)
Balance at Feb. 28, 2023	$ 5,083			39	(6,080)	(958)
Balance (in Shares) at Feb. 28, 2023	5,075,420	1,062,244	168,832
Balance at Aug. 31, 2022	$ 5,083			7	(5,426)	(336)
Balance (in Shares) at Aug. 31, 2022	5,075,420	1,062,244	168,832
Stock-based Compensation				16		16
Net income (loss)					(385)	(385)
Balance at Nov. 30, 2022	$ 5,083			23	(5,811)	(705)
Balance (in Shares) at Nov. 30, 2022	5,075,420	1,062,244	168,832
Stock-based Compensation				16		16
Net income (loss)					(269)	(269)
Balance at Feb. 28, 2023	$ 5,083			39	(6,080)	(958)
Balance (in Shares) at Feb. 28, 2023	5,075,420	1,062,244	168,832
Balance at May. 31, 2023	$ 5,083			55	(6,523)	(1,385)
Balance (in Shares) at May. 31, 2023	5,075,420	1,062,244	168,832
Stock-based Compensation				13		13
Net income (loss)					(416)	(416)
Balance at Aug. 31, 2023	$ 5,083			68	(6,939)	(1,788)
Balance (in Shares) at Aug. 31, 2023	5,075,420	1,062,244	168,832
Balance at May. 31, 2023	$ 5,083			55	(6,523)	(1,385)
Balance (in Shares) at May. 31, 2023	5,075,420	1,062,244	168,832
Net income (loss)						(6,463)
Balance at Feb. 29, 2024	$ 72,351			(75,508)	(12,985)	(16,142)
Balance (in Shares) at Feb. 29, 2024	17,995,436
Balance at Aug. 31, 2023	$ 5,083			68	(6,939)	(1,788)
Balance (in Shares) at Aug. 31, 2023	5,075,420	1,062,244	168,832
Stock-based Compensation				33		33
Conversion of Convertible Debentures		$ 1,496				1,496
Conversion of Convertible Debentures (in Shares)		517,352
Net income (loss)					(740)	(740)
Balance at Nov. 30, 2023	$ 5,083	$ 1,496		101	(7,679)	(999)
Balance (in Shares) at Nov. 30, 2023	5,075,420	1,579,596	168,832
Stock-based Compensation				10		10
Conversion of Convertible Notes Payable		$ 6,843				6,843
Conversion of Convertible Notes Payable (in Shares)		1,253,770
Issuance of Service Shares		$ 1,558				1,558
Issuance of Service Shares (in Shares)		385,297
Legacy Horizon Share Exchange	$ 9,897	$ (9,897)
Legacy Horizon Share Exchange (in Shares)	3,588,869	(3,218,663)	(168,832)
New Horizon Shares on Effective Date	$ 55,531			(75,619)		(20,088)
New Horizon Shares on Effective Date (in Shares)	7,251,939
Incentive Shares
Incentive Shares (in Shares)	954,013
Capital Markets Advisory Shares	$ 1,840					1,840
Capital Markets Advisory Shares (in Shares)	740,179
Underwriter Shares Issued
Underwriter Shares Issued (in Shares)	385,016
Net income (loss)					(5,306)	(5,306)
Balance at Feb. 29, 2024	$ 72,351			$ (75,508)	$ (12,985)	$ (16,142)
Balance (in Shares) at Feb. 29, 2024	17,995,436