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Basis of Presentation (Details Textual) (USD $)
In Millions, unless otherwise specified
0 Months Ended 12 Months Ended
Apr. 30, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Research and Development Assets Acquired Other than Through Business Combination [Line Items]        
Stockholders equity reverse stock split ratio 25fcsc_StockholdersEquityReverseStockSplitRatio      
Reverse stock split, description Company completed a reverse stock split on the basis of one share of common stock for each currently outstanding 25 shares of pre-split common stock.      
Research and Development Expense        
Research and Development Assets Acquired Other than Through Business Combination [Line Items]        
Amortization expense   $ 0.6us-gaap_DepreciationAndAmortization
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
$ 0.6us-gaap_DepreciationAndAmortization
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
$ 0.6us-gaap_DepreciationAndAmortization
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
License costs   $ 0.6us-gaap_LicenseCosts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
$ 0.6us-gaap_LicenseCosts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
$ 0.6us-gaap_LicenseCosts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember