Note H - Commitments and Contingencies - Maturities of lease Liabilities (Details) $ in Thousands	Dec. 31, 2019 USD ($)
2020	$ 260
2020	438
2021	163
2021	449
2022	11
2022	461
2023
2023	472
2024
2024	484
Thereafter
Thereafter	420
Total lease payments	434
Total lease payments	2,724
Less: future interest expense	(30)
Less: future interest expense	(539)
Lease liabilities	404
Operating Lease, Liability, Total	$ 2,185