NATURE OF OPERATIONS (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
Dec. 16, 2015	Dec. 31, 2015
Nature Of Operations [Line Items]
Sale Of Stock Percentage	81.00%
Sale of Stock, Percentage of Ownership after Transaction	19.00%
Sale of Stock, Consideration Received on Transaction	$ 50,000
Monthly earn-out payments percentage of gross revenue	6.00%
Maximum gross revenue for Monthly earn-out payments	$ 10,000,000
Right to sell preferred stock after fours years	$ 4,000,000
National Reference Laboratory for Breast Health, Inc [Member]
Nature Of Operations [Line Items]
Percentage of gross sale		6.00%

The maximum gross revenue for future Monthly earn-out payments percentage as per the right received.

No definition available.

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The future Monthly earn-out payments percentage of gross revenue as per the right received.

No definition available.

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Data Type:	num:percentItemType
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Period Type:	duration

No definition available.

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Represent the percentage of gross sale

No definition available.

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The minimum amount for the right to sell its preferred stock after fours years.

No definition available.

Name:	atos_RightToSellPreferredStockAfterFoursYears
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Represents the sale of stock percentage.

No definition available.

Name:	atos_SaleOfStockPercentage
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Cash received on stock transaction after deduction of issuance costs.

No definition available.

Name:	us-gaap_SaleOfStockConsiderationReceivedOnTransaction
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Data Type:	xbrli:monetaryItemType
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Percentage of subsidiary's or equity investee's stock owned by parent company after stock transaction.

No definition available.

Name:	us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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Balance Type:
Period Type: