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Related Parties Balances and Transactions (Details Textual) - USD ($)		1 Months Ended	3 Months Ended			9 Months Ended		12 Months Ended
	Jan. 26, 2017	May 26, 2017	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Sep. 30, 2016
Related Party Transaction [Line Items]
Amount received from BioFirst Corporation			$ 953,000			$ 953,000		$ 6,500,000
Interest expense			28,500		$ 3,753	47,500	$ 3,753
Accrued interest						$ 9,500		0
Payment to LionGene Corporation for consulting service				$ 70,000
Co-development agreement [Member]
Related Party Transaction [Line Items]
Description of payment settlement schedule		BriVision entered into a co-development agreement (the "Co-Dev Agreement") with Rgene (See Note 5). As of June 30, 2017, the Company has received an aggregate amount of $90,000 in cash. Since both Rgene and the Company are related parties and under common control by a controlling beneficiary shareholder of YuanGene Corporation, the Company has recorded the cash receipt of $90,000 in connection with the Co-Dev Agreement as additional paid-in capital during the nine months ended June 30, 2017.
Co-Dev Agreement [Member]
Related Party Transaction [Line Items]
Description of payment settlement schedule						The Company provided a one-time consulting service to LionGene Corporation for $70,000. Since both LionGene and the Company are related parties and under common control by a controlling beneficiary shareholder of YuanGene Corporation, the Company has recorded the full amount of $70,000 as additional paid-in capital during the nine months ended June 30, 2017.
BioFirst Corporation [Member]
Related Party Transaction [Line Items]
Amount received from BioFirst Corporation			$ 950,000			$ 950,000
BioFirst Corporation [Member] \| Loan Agreement [Member]
Related Party Transaction [Line Items]
Amount received from BioFirst Corporation	$ 950,000
Loan bears interest terms	Loan bears interest at 1% per month (or equivalent to 12% per annum) and the Company is required to remit the interest payment monthly to the lender.
Loan maturity date	Feb. 01, 2018