Annual report pursuant to Section 13 and 15(d)

Notes Payable - Maturity table (Details)

v3.19.3.a.u2
Notes Payable - Maturity table (Details) - State Bond Loan [Member] - USD ($)
$ in Thousands
12 Months Ended
Oct. 23, 2013
Dec. 31, 2019
Notes Payable    
Principal   $ 12,441
Interest   1,627
Total   $ 14,068
Debt Instrument, Maturity Date Oct. 01, 2021 Apr. 01, 2023
2020    
Notes Payable    
Interest   $ 716
Total   716
2021    
Notes Payable    
Principal   5,333
Interest   602
Total   5,935
2022    
Notes Payable    
Principal   5,646
Interest   288
Total   5,934
2023    
Notes Payable    
Principal   1,462
Interest   21
Total   $ 1,483