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Note 9 - Leases (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Lease, Cost [Table Text Block]
   
Three months
ended
March 31, 2020
   
Three months
ended
March 31, 2019
 
Operating leases
  $
171
    $
204
 
Finance leases:
               
Asset amortization
   
61
     
61
 
Interest on lease liabilities
   
9
     
12
 
Variable lease cost
   
13
     
20
 
Short-term lease cost
   
14
     
8
 
Total net lease cost
  $
268
    $
305
 
Lessee, Lease, Balance Sheet Information [Table Text Block]
   
March 31,
2020
   
December 31
2019
 
Operating leases:
               
Operating ROU assets
  $
1,460
    $
1,628
 
                 
Current operating lease liabilities
   
476
     
524
 
Noncurrent operating lease liabilities
   
1,014
     
1,139
 
Total operating lease liabilities
  $
1,490
    $
1,663
 
                 
Finance leases:
               
Furniture and equipment
  $
802
    $
802
 
Computer Equipment
   
511
     
511
 
Computer Software
   
207
     
207
 
Property and equipment under finance lease, gross
   
1,520
     
1,520
 
Less accumulated amortization
   
(795
)
   
(734
)
Property and equipment under finance lease, net
  $
725
    $
786
 
                 
Current obligations of finance leases
  $
224
    $
227
 
Noncurrent obligations of finance leases
   
502
     
559
 
Total finance lease liabilities
  $
726
    $
786
 
                 
Weighted average remaining lease term (in years):
               
Operating leases
   
4.11
     
 
 
Finance leases
   
3.34
     
 
 
                 
Weighted average discount rate:
               
Operating leases
   
4.79
%
   
 
 
Finance leases
   
4.54
%
   
 
 
Lease, Cash flow [Table Text Block]
   
Three months
ended
March 31, 2020
   
Three months
ended
March 31, 2019
 
Cash paid for amounts included in the measurement of lease liabilities:
               
Operating cash flows from operating leases
  $
177
    $
196
 
Operating cash flows from finance leases
   
9
     
11
 
Financing cash flows from finance leases
   
58
     
57
 
                 
ROU assets obtained in exchange for operating lease liabilities
   
--
     
--
 
ROU assets obtained in exchange for finance lease liabilities
   
--
     
25
 
Lessee, Operating and Finance Lease, Liability, Maturity [Table Text Block]
   
Finance Leases
   
Operating
Leases
 
Remainder 2020
  $
188
    $
410
 
2021
   
251
     
449
 
2022
   
204
     
222
 
2023
   
123
     
242
 
2024
   
13
     
203
 
Thereafter
   
--
     
117
 
Total minimum lease payments
   
779
     
1,643
 
Less: Amount representing interest
   
(53
)
   
(153
)
Present value of minimum lease payments
   
726
     
1,490
 
Less: Current maturities
   
(224
)
   
(476
)
Lease obligations, net of current portion
  $
502
    $
1,014
 
   
Finance Leases
   
Operating
Leases
 
2020
  $
257
    $
591
 
2021
   
251
     
453
 
2022
   
204
     
226
 
2023
   
123
     
246
 
2024
   
13
     
203
 
Thereafter
   
--
     
118
 
Total minimum lease payments
   
848
     
1,837
 
Less: Amount representing interest
   
(62
)
   
(174
)
Present value of minimum lease payments
   
786
     
1,663
 
Less: Current maturities
   
(227
)
   
(524
)
Lease obligations, net of current portion
  $
559
    $
1,139