Note 13 - Stockholders's Equity: (Detail) (USD $)	0 Months Ended	3 Months Ended			9 Months Ended
	Dec. 15, 2011	Sep. 30, 2012	Mar. 31, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Nov. 13, 2012	Sep. 29, 2012	Jun. 30, 2012	Jan. 23, 2012	Dec. 30, 2011
Stock Repurchased and Retired During Period, Shares		1,255,900	7,570,236	0	2,371,204	0
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)	$ 0.77
Stock Repurchased and Retired During Period, Value (in Dollars)	$ 5,829,082		$ 5,829,082
Stock Repurchased Transaction Costs (in Dollars)	64,000
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	$ 4,000,000
Shares, Outstanding		44,249,184			44,249,184			44,249,184	45,484,997	46,047,053	53,497,584
Stock Repurchase Program, Number of Shares Authorized to be Repurchased			3,840,000				6,500,000
Repurchase of Equity [Member]
Stock Repurchased and Retired During Period, Shares	7,570,236