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Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] - USD ($)
$ in Thousands, shares in Millions
Aug. 16, 2019
Aug. 05, 2019
Subsequent Event [Line Items]    
Loan secured from subsidiary $ 5,000  
Payment of loan origination fee $ 125  
Percentage of interest rate on loan The Company paid a $125 thousand loan origination fee and will incur a 6% per annum interest rate through December 10, 2020 and 12% per annum thereafter.  
Debt instrument, stated percentage 6.00%  
Description of debt instrument payment The debt payments are interest only through December 2020 followed by monthly principal and interest payments through December of 2022.  
Debt instrument collateral amount $ 5,000  
Chart Energy And Chemicals Inc Member [Member]    
Subsequent Event [Line Items]    
Exchange of indebtedness   $ 7,000
Common stock, shares issued   1.5