Note G - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Balance	$ 6,559,000	$ 6,402,000
Other comprehensive loss before reclassifications, net of tax benefit of $(940)	(1,537,000)	(1,380,000)
Amounts reclassified from accumulated other comprehensive income, net of tax benefit of $220	359,000
Net current-period other comprehensive loss	(1,178,000)	(1,021,000)
Balance	5,381,000	5,381,000
Amounts reclassified from accumulated other comprehensive income, net of tax benefit of $220		359,000
Balance		6,402,000
Net current-period other comprehensive loss		(1,021,000)
Balance	$ 5,381,000	$ 5,381,000