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Stock-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 16, 2020
Jun. 15, 2019
Feb. 01, 2019
Jun. 15, 2018
May 31, 2019
Mar. 31, 2018
May 31, 2017
May 31, 2016
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Apr. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Capital Units, Authorized                     105,000,000  
Preferred Stock, Shares Authorized                     5,000,000  
Preferred Stock, Par or Stated Value Per Share                 $ 0.001   $ 0.001  
Common Stock, Shares Authorized                     100,000,000  
Common Stock, Par or Stated Value Per Share                 $ 0.001   $ 0.001  
Stock Option                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share-based compensation expense                 $ 0 $ 0    
Restricted Stock                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share-based compensation expense                 816,000 805,000    
Forfeiture adjustment reduced stock-based compensation expense                 139,000 7,000    
Unrecognized compensation expense                 $ 2,938,000      
Restricted stock award, weighted-average period                 2 years 4 months      
Common Stock Grants                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share-based compensation expense                 $ 239,000 320,000 $ 320,000  
Common stock issued to members (in shares)     114,285                  
Fair value of shares issued (in dollars per share)     $ 2.10                  
2006 Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares authorized (in shares)         8,500,000     4,500,000       3,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Amended Number of Shares Authorized         11,500,000              
Additional shares authorized (in shares)         2,000,000   2,000,000 1,000,000        
Expiration period                 10 years      
Shares available to be issued (in shares)                 1,850,684      
Stock options outstanding (in shares)                 10,315      
Shares of restricted stock outstanding (in shares)                 1,970,768      
2006 Plan | Restricted Stock                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares of restricted stock (in shares)                 38,095      
Grant date fair value (in dollars per share)                 $ 2.10      
2006 Plan | Minimum                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares authorized (in shares)             6,500,000          
2006 Plan | Maximum                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares authorized (in shares)         8,500,000              
Management Stock Purchase Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Maximum amount of cash compensation allowed towards purchase of stock           20.00%            
Maximum amount of cash compensation allowed towards purchase of stock, amount   $ 300,000       $ 200,000            
Holding period           2 years            
Shares available for grant           50.00%            
Management Stock Purchase Plan | Restricted Stock                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares of restricted stock (in shares)                 2,209      
Grant date fair value (in dollars per share)                 $ 1.05      
Employee Stock Purchase Plan                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares authorized (in shares)       800,000                
Purchase price per share of common stock       85.00%                
Common stock available for issuance (in shares)                 740,642      
Fair value of purchase rights (in dollars per share) $ 0.28                      
Additional Paid-in Capital [Member]                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Shares issued under Employee Stock Purchase Plan                 $ 0 $ 7,000