Condensed Consolidated Statements Of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Revenue
Net Revenue	$ 11,138	$ 8,112	$ 32,231	$ 23,154
Cost of Sales
Cost of goods and services sold	8,664	6,052	23,688	17,706
Gross Margin	2,474	2,060	8,543	5,448
Operating Expenses:
General and administrative	2,378	1,923	6,305	5,245
Selling	146	123	449	356
Research and development	80	79	293	277
Gain on disposal of property, plant and equipment	0	0	0	(1)
Total operating expenses	2,604	2,125	7,047	5,877
(Loss)/ Income from Operations	(130)	(65)	1,496	(429)
Other Income / (Expenses)
Interest expenses	(31)	(25)	(87)	(96)
Other income, net	127	273	669	627
Total other income	96	248	582	531
(Loss) / Income from Continuing Operations before Income Taxes	(34)	183	2,078	102
Income Tax Expenses	(170)	(118)	(503)	(125)
(Loss) / Income from continuing operations before non-controlling interest, net of tax	(204)	65	1,575	(23)
Discontinued Operations
Income / (loss) from discontinued operations, net of tax	0	1	5	(26)
NET (LOSS) / INCOME	(204)	66	1,580	(49)
Less: net income / (loss) attributable to noncontrolling interest	(37)	(112)	(25)	(454)
Net (Loss) / Income Attributable to Trio-Tech International Common Shareholders	(167)	178	1,605	405
Amounts Attributable to Trio-Tech International Common Shareholders:
(Loss) / Income from continuing operations, net of tax	(167)	177	1,603	418
Income / (Loss) from discontinued operations, net of tax	0	1	2	(13)
Net (Loss) / Income Attributable to Trio-Tech International Common Shareholders	$ (167)	$ 178	$ 1,605	$ 405
Basic (Loss) / Earnings per Share:
Basic (loss) / earnings per share from continuing operations attributable to Trio-Tech International (in dollars per share)	$ (0.04)	$ 0.05	$ 0.40	$ 0.11
Basic earnings per share from discontinued operations attributable to Trio-Tech International (in dollars per share)	0	0	0	0
Diluted (Loss) / Earnings per Share:
Diluted (loss) / earnings per share from continuing operations attributable to Trio-Tech International (in dollars per share)	(0.04)	0.04	0.38	0.10
Diluted earnings per share from discontinued operations attributable to Trio-Tech International (in dollars per share)	$ 0	$ 0	$ 0	$ 0
Weighted average number of common shares outstanding
Basic (in shares)	3,949	3,913	3,949	3,913
Dilutive effect of stock options (in shares)	272	133	191	117
Number of shares used to compute earnings per share diluted (in shares)	4,221	4,046	4,140	4,030
Manufacturing [Member]
Revenue
Net Revenue	$ 3,097	$ 3,130	$ 10,187	$ 9,324
Cost of Sales
Cost of goods and services sold	2,530	2,148	7,838	6,855
Operating Expenses:
(Loss)/ Income from Operations	(145)	214	107	277
Testing Services [Member]
Revenue
Net Revenue	4,417	3,504	13,983	10,018
Cost of Sales
Cost of goods and services sold	3,169	2,651	9,141	7,651
Operating Expenses:
(Loss)/ Income from Operations	(124)	(320)	1,000	(993)
Distribution [Member]
Revenue
Net Revenue	3,620	1,467	8,038	3,790
Cost of Sales
Cost of goods and services sold	2,945	1,234	6,651	3,142
Operating Expenses:
(Loss)/ Income from Operations	576	163	1,108	407
Real Estate Segment [Member]
Revenue
Net Revenue	4	11	23	22
Cost of Sales
Cost of goods and services sold	20	19	58	58
Operating Expenses:
(Loss)/ Income from Operations	$ (35)	$ (23)	$ (86)	$ (84)