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Real Estate Held for Sale (Details Narrative)
$ in Thousands
Dec. 31, 2020
USD ($)
a
ft²
Lease area | ft² 30,400
Realizable value for additional land $ 653
Minimum [Member]  
Realizable value 700
Realizable value for additional land 250
Maximum [Member]  
Realizable value 900
Realizable value for additional land $ 300
Wyoming [Member]  
Lease area | a 14