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Note 5 - Lease Obligations and Other Contingencies
12 Months Ended
Dec. 31, 2016
Notes to Financial Statements  
Commitments and Contingencies Disclosure [Text Block]
Note 
5
 — Lease Obligations and Other Contingencies
 
The Company has the following minimum payments under operating lease obligations that existed at
December
 
31,
2016:
 
2017   $
871
 
2018    
838
 
2019    
822
 
2020    
653
 
2021    
478
 
Thereafter    
2,489
 
Total minimum payments   $
6,151
 
 
The obligations in the preceding table are primarily related to the Company’s leases for buildings in Birmingham, Alabama and Durham, North Carolina. The lease for the Company’s headquarters in Durham, North Carolina expires
June
 
30,
2020.
The lease for the Company’s research facility in Birmingham, Alabama expires
October
31,
2026.
Rent expense for operating leases was
$721,
$664
and
$633
in
2016,
2015,
and
2014,
respectively.
 
Lease Financing Obligation
 
Based on the terms of the lease agreement for the new research facility in Birmingham, Alabama, the Company had construction period risks during the construction period and the Company was deemed the owner of the building (for accounting purposes only) during the construction period, which ended in
2016.
Accordingly, the Company recorded an asset of
$1,589
at
December
31,
2015,
representing the Company’s leased portion of the building and recorded a corresponding liability. Upon completion of leasehold improvement construction, the Company did not meet the sale-leaseback criteria for de-recognition of the building asset and liability. Therefore, the lease is accounted for as a financing obligation. The asset will be depreciated over the expected duration of the lease, and rental payments will be treated as principal and interest payments on the lease financing obligation liability. The underlying accounting for this transaction has no impact on cash flows associated with the underlying lease and or construction in process.
 
At
December
31,
2016
and
2015,
the lease financing obligation balance was
$2,704
and
$2,375,
respectively and was recorded as a long term liability on the consolidated balance sheets. The remaining future minimum payments under the lease financing obligation are
$4,768.