Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets - Additional Information (Details)

v3.20.4
Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Jun. 30, 2020
Aug. 31, 2017
Aug. 31, 2016
Finite-Lived Intangible Assets [Line Items]                
Goodwill $ 8,881,000   $ 8,881,000     $ 8,881,000    
Amortization expense related to intangible assets $ 163,000 $ 255,000 $ 317,000 $ 508,000        
Goodwill and intangible asset impairment         $ 2,700,000      
Minimum                
Finite-Lived Intangible Assets [Line Items]                
Estimated useful lives of intangibles     3 years          
Maximum                
Finite-Lived Intangible Assets [Line Items]                
Estimated useful lives of intangibles     15 years          
SilverTowne Mint                
Finite-Lived Intangible Assets [Line Items]                
Intangibles acquired               $ 2,500,000
Goodwill               $ 4,300,000
Goldline, LLC                
Finite-Lived Intangible Assets [Line Items]                
Intangibles acquired             $ 5,000,000  
Goodwill             $ 1,400,000