Concentration of risk	6 Months Ended
Dec. 31, 2023
Risks and Uncertainties [Abstract]
Concentration of risk	Note 18 - Concentration of risk Credit risk Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable. As of December 31, 2023 and June 30, 2023, $1,488,027 and $3,735,642, respectively, were deposited with various major financial institutions in the United States and PRC. Accounts at each institution in the United States are insured by the Federal Deposit Insurance Corporation (FDIC) for up to $250,000. The Company had approximately $0.2 million and $2.7 million, respectively, in excess of the FDIC insurance limit, as of December 31, 2023 and June 30, 2023. Accounts receivable are typically unsecured and derived from revenue earned from customers, thereby exposing the Company to credit risk. The risk is mitigated by the Company’s assessment of its customers’ creditworthiness and its ongoing monitoring of outstanding balances. The Company maintains reserves for estimated credit losses, and such losses have generally been within expectations. The business of DHS, the Company’s VIE, may be impacted by Chinese economic conditions, changes in regulations and laws, and other uncertainties. Customer and vendor concentration risk For the six months ended December 31, 2023 and 2022, Amazon Vendor and Amazon Seller customers accounted for 95% and 91% of the Company's total revenues, respectively. As of December 31, 2023 and June 30, 2023, accounts receivable from Amazon Vendor and Amazon Seller accounted for 93% and 95% of the Company’s total accounts receivable. For the six months ended December 31, 2023 and 2022, two suppliers accounted for 20% (11% and 9%) and 41% (31% and 10%) of the Company's total purchases, respectively. As of December 31, 2023 and June 30, 2023, accounts payable to two suppliers accounted for 54% (42% and 12%) and 55% (49% and 6%) of the Company’s total accounts payable.

Concentration of risk

6 Months Ended

Dec. 31, 2023

Note 18 - Concentration of risk

Credit risk

Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash and cash equivalents and accounts receivable.

As of December 31, 2023 and June 30, 2023, $1,488,027 and $3,735,642, respectively, were deposited with various major financial institutions in the United States and PRC. Accounts at each institution in the United States are insured by the Federal Deposit Insurance Corporation (FDIC) for up to $250,000. The Company had approximately $0.2 million and $2.7 million, respectively, in excess of the FDIC insurance limit, as of December 31, 2023 and June 30, 2023.

Accounts receivable are typically unsecured and derived from revenue earned from customers, thereby exposing the Company to credit risk. The risk is mitigated by the Company’s assessment of its customers’ creditworthiness and its ongoing monitoring of outstanding balances. The Company maintains reserves for estimated credit losses, and such losses have generally been within expectations.

The business of DHS, the Company’s VIE, may be impacted by Chinese economic conditions, changes in regulations and laws, and other uncertainties.

Customer and vendor concentration risk

For the six months ended December 31, 2023 and 2022, Amazon Vendor and Amazon Seller customers accounted for 95% and 91% of the Company's total revenues, respectively. As of December 31, 2023 and June 30, 2023, accounts receivable from Amazon Vendor and Amazon Seller accounted for 93% and 95% of the Company’s total accounts receivable.

For the six months ended December 31, 2023 and 2022, two suppliers accounted for 20% (11% and 9%) and 41% (31% and 10%) of the Company's total purchases, respectively. As of December 31, 2023 and June 30, 2023, accounts payable to two suppliers accounted for 54% (42% and 12%) and 55% (49% and 6%) of the Company’s total accounts payable.