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Financing Obligations - Capital Leases (Details) - USD ($)
$ in Thousands
1 Months Ended 24 Months Ended 25 Months Ended
Dec. 31, 2017
May 31, 2017
Feb. 28, 2017
Dec. 31, 2015
Aug. 02, 2015
Nov. 30, 2019
Nov. 30, 2017
Dec. 31, 2019
May 31, 2019
Feb. 28, 2019
Jul. 30, 2017
Jul. 01, 2018
Debt Instrument [Line Items]                        
Capital lease outstanding $ 654                     $ 418
Capital lease classified as current liability $ 299                     303
Design Software | Capital lease obligation, leased December 2017, one                        
Debt Instrument [Line Items]                        
Imputed interest rate 6.48%                      
Periodic payments $ 52                      
Capital lease outstanding                       95
Capital lease classified as current liability                       46
Capital lease term 3 years                      
Design Software | Capital lease obligation, leased December 2017, two                        
Debt Instrument [Line Items]                        
Imputed interest rate 6.30%                      
Periodic payments $ 34                      
Capital lease outstanding                       194
Capital lease classified as current liability                       127
Capital lease term 3 years                      
Design Software | Capital lease obligation, leased May 2017                        
Debt Instrument [Line Items]                        
Imputed interest rate   5.48%                    
Periodic payments   $ 92                    
Capital lease outstanding                       87
Capital lease term   3 years                    
Design Software | Capital lease obligation, leased February 2017                        
Debt Instrument [Line Items]                        
Imputed interest rate     5.57%                  
Periodic payments     $ 44                  
Capital lease outstanding                       42
Capital lease classified as current liability                       $ 42
Capital lease term     3 years                  
Design Software | Capital lease obligation, leased December 2015                        
Debt Instrument [Line Items]                        
Imputed interest rate       4.88%                
Periodic payments       $ 23     $ 182          
Capital lease term       2 years                
Design Software | Capital lease obligation, leased July 2015                        
Debt Instrument [Line Items]                        
Imputed interest rate         4.91%              
Periodic payments         $ 67           $ 202  
Capital lease term         3 years              
Scenario, forecast | Design Software | Capital lease obligation, leased December 2017, one                        
Debt Instrument [Line Items]                        
Periodic payments               $ 156        
Scenario, forecast | Design Software | Capital lease obligation, leased December 2017, two                        
Debt Instrument [Line Items]                        
Periodic payments           $ 273            
Scenario, forecast | Design Software | Capital lease obligation, leased May 2017                        
Debt Instrument [Line Items]                        
Periodic payments                 $ 276      
Scenario, forecast | Design Software | Capital lease obligation, leased February 2017                        
Debt Instrument [Line Items]                        
Periodic payments                   $ 133