v3.19.2
Acquisition of Unitron Assets - Summary of Purchase Price Allocated to Net Assets Acquired in Transaction (Detail) - Unitron Assets [Member]
Aug. 17, 2018
USD ($)
Business Acquisition [Line Items]  
Cash $ 18,000
Accounts receivable 27,000
Inventory 1,243,000
Other current assets 601,000
Fixed assets 332,000
Intangibles 76,000
Goodwill 4,399,000
Other assets 41,000
Accounts payable (2,169,000)
Notes payable (868,000)
Total $ 3,700,000