XML 50 R39.htm IDEA: XBRL DOCUMENT v3.19.1
Note J - Fair Value of Financial Instruments - Fair Value of Long-term Debt Other Than Lines of Credit (Details) - Equipment Financing [Member]
$ in Thousands
Mar. 31, 2019
USD ($)
Reported Value Measurement [Member]  
Long-term debt $ 197,340
Estimate of Fair Value Measurement [Member]  
Long-term debt $ 197,597