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PROPERTY AND EQUIPMENT, NET (Tables)
6 Months Ended
Jun. 30, 2021
Property, Plant and Equipment [Abstract]  
At June 30, 2021 and December 31, 2020, property and equipment consisted of:

At June 30, 2021 and December 31, 2020, property and equipment consisted of:

 

   June 30, 2021   December 31, 2020 
Cryptocurrency machines and related equipment  $593,000   $567,000 
Computer, software and related equipment   3,896,000    3,057,000 
Office furniture and equipment   672,000    490,000 
Land   2,567,000     
Building   1,283,000     
Leasehold improvements   2,136,000    1,352,000 
    11,147,000    5,466,000 
Accumulated depreciation and amortization   (3,885,000)   (3,343,000)
Property and equipment, net  $7,262,000   $2,123,000