State of Texas Funding (Details Narrative) (USD $)	27 Months Ended
Jun. 30, 2012
State Of Texas Funding
Proceeds from Texas Emerging Technology Fund	$ 1,800,000

Represents the proceeds from the Texas Emerging Technology Fund.

No definition available.

Name:	astc_ProceedsFromTexasEmergingTechnologyFund
Namespace Prefix:	astc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration