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Subsequent Events - Additional Information (Detail) - USD ($)
Aug. 05, 2020
Feb. 24, 2017
Jun. 30, 2020
Dec. 31, 2019
Subsequent Event [Line Items]        
Common stock, par value     $ 0.001 $ 0.001
Shares of Common Stock     521,060  
Common stock, shares issued     15,403,111 15,372,905
Subsequent Event [Member] | Equity Offering [Member]        
Subsequent Event [Line Items]        
Number of common shares sold 2,950,000      
Common stock, par value $ 0.001      
Common stock selling price per share $ 1.15      
Gross proceeds from offering $ 3,392,500      
Shares of Common Stock 430,629      
Price per warrant $ 3.88      
Exercise price of warrants adjusted $ 1.15      
Subsequent Event [Member] | Equity Offering [Member] | Largest Stockholder [Member]        
Subsequent Event [Line Items]        
Common stock, shares issued 655,000      
ABL Facility [Member]        
Subsequent Event [Line Items]        
Revolving credit facility maximum principal amount   $ 20,000,000    
Debt instrument maturity date   Feb. 24, 2022    
ABL Facility [Member] | Base Rate [Member]        
Subsequent Event [Line Items]        
Debt instrument interest rate     4.50%  
ABL Facility [Member] | LIBOR [Member]        
Subsequent Event [Line Items]        
Debt instrument interest rate     0.00%  
ABL Facility [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Revolving credit facility maximum principal amount $ 15,000,000      
Debt instrument maturity date Aug. 05, 2025      
ABL Facility [Member] | Subsequent Event [Member] | Maximum [Member]        
Subsequent Event [Line Items]        
Sublimit for issuance of letters of credit, percentage 10.00%      
Revolving credit facility, increase (decrease) $ 10,000,000      
Equipment Loan Facility [Member] | Subsequent Event [Member]        
Subsequent Event [Line Items]        
Revolving credit facility maximum principal amount $ 2,000,000      
Debt instrument maturity date Aug. 05, 2025      
Equipment Loan Facility [Member] | Subsequent Event [Member] | Base Rate [Member]        
Subsequent Event [Line Items]        
Debt instrument interest rate 1.75%      
Equipment Loan Facility [Member] | Subsequent Event [Member] | LIBOR [Member]        
Subsequent Event [Line Items]        
Debt instrument interest rate 2.75%