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State of Texas Funding (Detail Textuals) (USD $) In Millions, unless otherwise specified	3 Months Ended	1 Months Ended
	Sep. 30, 2014	Aug. 28, 2014 Texas emerging technology fund 1st Detect	Mar. 31, 2010 Texas emerging technology fund 1st Detect	Sep. 30, 2014 Texas emerging technology fund 1st Detect
State Of Texas Funding [Line Items]
Funds awarded for development and marketing			$ 1.8
Note payable interest rate				8.00%
Payment of common stock repurchase right	$ 2.3	$ 2.3

X

- Definition

Represents funds awarded for specified purposes.

+ References

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X

- Definition

Represents common stock repurchase right.

+ References

No definition available.

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Namespace Prefix:	astc_
Data Type:	xbrli:monetaryItemType
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X

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X

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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