Note J - Notes Receivable (Detail) (USD $)	6 Months Ended	12 Months Ended				1 Months Ended		1 Months Ended	6 Months Ended	1 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jan. 31, 2012 Pre-Rewrite [Member] Paying Monthly [Member]	Jan. 31, 2012 Pre-Rewrite [Member] Accruing [Member]	Jan. 31, 2012 Post Rewrite [Member] Paying Monthly [Member]	Apr. 30, 2012 Rewritten Existing Loan [Member]	Jan. 31, 2012 Rewritten Existing Loan [Member]	Feb. 28, 2012 Partially Paid Off [Member] Paying Monthly [Member]	Jun. 30, 2012 Partially Paid Off [Member] Paying Monthly [Member]	Apr. 30, 2012 Partially Paid Off [Member]	Feb. 28, 2012 Partially Paid Off [Member]	Jun. 30, 2012 Partially Paid Off [Member]	Jun. 30, 2012 Balance [Member]	Jun. 30, 2012 Partially Paid Off 1 [Member]
Interest Rate on Notes Receivable			3.00%	5.00%	7.00%
Loans and Leases Receivable, Allowance	$ 1,865,000	$ 837,000					$ 100,000
Accrued Interest Reclassified To Notes Receivable							23,000
Allowance for Loan and Lease Losses, Provision for Loss, Net	19,000	127,000				19,000
Increase (Decrease) in Notes Receivables								1,000	11,000	200,000	30,000
Financing Receivable, Net												$ 700,000	$ 200,000	$ 700,000