Consolidated Statements of Comprehensive Loss - USD ($)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net sales	$ 30,796,690	$ 45,948,516
Cost of goods sold	(27,288,340)	(38,927,774)
Gross profit	3,508,350	7,020,742
Operating expenses:
Selling, general and administrative	6,041,355	5,451,653
Research and development	3,406,750	3,918,664
Total operating expenses	9,448,105	9,370,317
Loss from operations	(5,939,755)	(2,349,575)
Other income (expense), net:
Interest income	804,148	459,869
Income from governmental subsidy	16,350	43,784
Gain from the forgiveness of accounts payable and accrued liabilities	0	238,307
Loss from the disposal of property and equipment and intangible assets	(10,436)	0
Loss from a legal contingency	0	(2,400,000)
Loss from foreign currency transactions	(486,497)	(126,042)
Other income, net	500,219	302,339
Total other income (expense), net	823,784	(1,481,743)
Loss before benefit for income taxes	(5,115,971)	(3,831,318)
Income tax benefit	(949,300)	(886,659)
Net loss	(4,166,671)	(2,944,659)
Less: non-controlling interests in net loss of subsidiary at 33.7%	(202,655)	(81,638)
Net loss attributable to Parent Company	$ (3,964,016)	$ (2,863,021)
Loss per share attributable to Parent Company stockholders - basic	$ (0.34)	$ (0.24)
Loss per share attributable to Parent Company stockholders - diluted	$ (0.34)	$ (0.24)
Weighted average common shares outstanding - basic	11,784,280	11,736,609
Weighted average common shares outstanding - diluted	11,784,280	11,736,609
Comprehensive loss
Net loss	$ (4,166,671)	$ (2,944,659)
Translation adjustments	(167,263)	(87,778)
Comprehensive loss	(4,333,934)	(3,032,437)
Less: comprehensive loss attributable to non-controlling interest	(202,655)	(81,638)
Less: Foreign exchange translation attributable to non-controlling interest	(56,368)
Comprehensive loss attributable to controlling interest	$ (4,074,911)	$ (2,950,799)