Note G - Assets Held For Sale and Discontinued Operations (Detail) - The following is summary of net assets held for sale: (USD $)	6 Months Ended
	Jun. 30, 2012
Property and equipment	$ 3,840,000
Total assets	4,210,000
Accounts payable and accrued liabilities	31,000
Total liabilities	31,000
Cash [Member]
Cash	363,000
Current Assets [Member]
Current assets	7,000
Total Assets Held For Sale [Member]
Total assets	4,210,000
Accrued Liabilities [Member]
Accounts payable and accrued liabilities	31,000
Total liabilities	31,000
Total Liabilities Held For Sale [Member]
Accounts payable and accrued liabilities	31,000
Total liabilities	31,000
Net Assets Held For Sale [Member]
Net assets held for sale	$ 4,179,000