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Equity Plans and Share-Based Compensation (Share-based compensation cost by award type) (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation cost $ 834,317us-gaap_AllocatedShareBasedCompensationExpense $ 621,505us-gaap_AllocatedShareBasedCompensationExpense
Stock Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation cost 413,697us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 311,965us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
Restricted Stock Units and Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based compensation cost $ 420,620us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= asti_RestrictedStockUnitsAndAwardsMember		 $ 309,540us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= asti_RestrictedStockUnitsAndAwardsMember