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Note 10 - Notes Receivable (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

(in thousands)

  March 31, 2022   December 31, 2021 

Note receivable

 $4,728  $4,433 

Allowance for losses

  (405)  (405)

Notes receivable, net

 $4,323  $4,028 

(in thousands)

  March 31, 2022   December 31, 2021 

Note receivable

 $1,640  $1,640 

Allowance for losses

  (1,501)  (1,501)

Notes receivable, net

 $139  $139