v3.5.0.1

STATUTORY RESERVES (Details) - CNY (¥) | 12 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015
STATUTORY RESERVES |  |
Required percentage of after tax profit transferred to general reserve fund | 10.00% |
Percentage of registered capital limit for transfer of after tax profit to general reserve fund | 50.00% |
Appropriation of after tax profit to general reserve fund | ¥ 36,431,792 | ¥ 26,389,274

X
- Definition Represents the amount of appropriations of after tax profit to general reserve fund as of balance sheet date. + References No definition available. + Details
Name: | atai_AppropriationOfAfterTaxProfitToGeneralReserveFund
Namespace Prefix: | atai_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | atai_StatutoryReservesDisclosureAbstract
Namespace Prefix: | atai_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the ratio of the general reserve fund to registered capital after which mandatory contributions to the general reserve fund are no longer required for foreign-invested enterprises as per the laws and regulations applicable to the entity and its subsidiaries. + References No definition available. + Details
Name: | atai_TransferOfAfterTaxProfitToGeneralReserveFundPercentageOfRegisteredCapitalLimit
Namespace Prefix: | atai_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of after tax profit required to be transferred to the general reserve fund as per the laws and regulations applicable to the entity and its subsidiaries. + References No definition available. + Details
Name: | atai_TransferOfAfterTaxProfitToGeneralReserveFundRequiredPercentage
Namespace Prefix: | atai_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration