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Restricted Stock and Warrant Exercise (Details)
3 Months Ended 6 Months Ended
Nov. 18, 2014
Jun. 18, 2014
USD ($)
tranche
shares
Mar. 17, 2014
USD ($)
shares
Mar. 13, 2014
USD ($)
shares
Jun. 19, 2013
Aug. 01, 2015
USD ($)
shares
Aug. 02, 2014
USD ($)
shares
Aug. 01, 2015
USD ($)
shares
Aug. 02, 2014
USD ($)
May. 30, 2015
USD ($)
Mar. 20, 2015
USD ($)
Nov. 17, 2014
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Debt Conversion, Converted Instrument, Warrants or Options Issued | shares             5,058,741          
Share-based compensation               $ 1,376,000 $ 2,918,000      
Unrecognized compensation cost related to non-vested awards           $ 2,251,000   $ 2,251,000        
Award Vesting Period               3 years        
Restricted Stock [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share-based compensation           442,000 $ 555,000 $ 789,000 $ 855,000      
Unrecognized compensation cost related to non-vested awards           $ 3,314,000   $ 3,314,000        
Weighted average remaining contractual term           1 year 10 months 24 days            
Restricted stock vested in period, total fair value           $ 249,000 $ 518,000          
Granted | shares   56,000 4,000 53,000   182,334   384,000        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Number of Tranches | tranche   7                    
Award Vesting Period 3 years       12 months 3 years            
Total grant date fair value   $ 281,000 $ 23,500 $ 290,000   $ 520,000   $ 520,000   $ 158,000 $ 417,593 $ 1,373,000
Number of non-management board members granted shares     2                  
Non-vested shares outstanding, end of period | shares           938,000   938,000