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Stockholders' Equity (Common Stock) (Details) (USD $)
0 Months Ended
Aug. 26, 2014
Dec. 31, 2014
Aug. 26, 2014
Dec. 31, 2013
Jan. 31, 2012
Equity [Abstract]          
Common Stock, Shares Authorized, Amount         $ 5,000,000asti_CommonStockPotentialProceedsFromAdditionalSharesIssued
Common stock, shares authorized (in shares)   450,000,000us-gaap_CommonStockSharesAuthorized      
Common stock, par value (in dollars per share)   $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare  
Common stock, shares outstanding (in shares)   18,211,104us-gaap_CommonStockSharesOutstanding   6,174,853us-gaap_CommonStockSharesOutstanding  
Stock split, conversion ratio 10us-gaap_StockholdersEquityNoteStockSplitConversionRatio1