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Financing Obligations - Capital Leases (Details) - USD ($)
1 Months Ended 24 Months Ended 25 Months Ended 31 Months Ended
May 31, 2017
Feb. 27, 2017
Jan. 29, 2017
Jan. 31, 2016
Jan. 03, 2016
Aug. 02, 2015
Jan. 04, 2015
Aug. 31, 2014
Aug. 03, 2014
May 31, 2014
Dec. 02, 2017
May 31, 2019
Feb. 28, 2019
Jul. 30, 2017
May 31, 2016
Jan. 29, 2017
Jul. 02, 2017
Jan. 01, 2017
Debt Instrument [Line Items]                                    
Capital lease outstanding                                 $ 296,000 $ 209,000
Capital lease classified as current liability                                 167,000 $ 209,000
Design Software | Capital lease obligation, leased May 2017                                    
Debt Instrument [Line Items]                                    
Capital lease term 3 years                                  
Imputed interest rate 5.48%                                  
Periodic payments $ 92,000                                  
Capital lease outstanding                                 170,000  
Capital lease classified as current liability                                 83,000  
Design Software | Capital lease obligation, leased May 2017 | Scenario, forecast                                    
Debt Instrument [Line Items]                                    
Periodic payments                       $ 276,000            
Design Software | Capital lease obligation, leased February 2017                                    
Debt Instrument [Line Items]                                    
Capital lease term   3 years                                
Imputed interest rate   5.57%                                
Periodic payments   $ 44,300                                
Capital lease outstanding                                 82,000  
Capital lease classified as current liability                                 40,000  
Design Software | Capital lease obligation, leased February 2017 | Scenario, forecast                                    
Debt Instrument [Line Items]                                    
Periodic payments                         $ 132,800          
Design Software | Capital lease obligation, leased December 2015                                    
Debt Instrument [Line Items]                                    
Capital lease term         2 years                          
Imputed interest rate         4.88%                          
Periodic payments         $ 22,750                          
Capital lease outstanding                                 45,000  
Design Software | Capital lease obligation, leased December 2015 | Scenario, forecast                                    
Debt Instrument [Line Items]                                    
Periodic payments                     $ 182,000              
Design Software | Capital lease obligation, leased July 2015                                    
Debt Instrument [Line Items]                                    
Capital lease term           3 years                        
Imputed interest rate           4.91%                        
Periodic payments           $ 67,300                        
Design Software | Capital lease obligation, leased July 2015 | Scenario, forecast                                    
Debt Instrument [Line Items]                                    
Periodic payments                           $ 202,000        
Design Software | Capital lease obligation, leased July 2014                                    
Debt Instrument [Line Items]                                    
Capital lease term                 41 months                  
Imputed interest rate                 3.15%                  
Periodic payments     $ 58,000 $ 58,000     $ 16,000 $ 42,000               $ 174,000    
Design Software | Capital lease obligation, leased May 2014                                    
Debt Instrument [Line Items]                                    
Capital lease term                   3 years                
Imputed interest rate                   4.80%                
Periodic payments                   $ 84,000         $ 252,000      
Capital lease outstanding                                 $ 0