v3.19.3
Merger with Cooltech - Summary of Net Assets Acquired in Transaction (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Mar. 12, 2018
Business Acquisition [Line Items]    
Goodwill $ 984  
Cooltech Holding Corp. [Member]    
Business Acquisition [Line Items]    
Cash   $ 1,264
Accounts receivable   2,692
Inventory   3,190
Prepaid assets   1,454
Fixed assets   58
Goodwill   3,343
Other assets   28
Accounts payable   (2,744)
Accrued expenses   (2,396)
Long-term convertible debt   (735)
Total   $ 6,154