Note 9 - Stockholders' Equity (Details) - Summary of Inactive Plans	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Note 9 - Stockholders' Equity (Details) - Summary of Inactive Plans [Line Items]
Exercised	(2,464,332)
2008 Equity Incentive Plan [Member]
Note 9 - Stockholders' Equity (Details) - Summary of Inactive Plans [Line Items]
Options Outstanding (in Shares)	11,884,000	9,469,194
Granted		4,262,500
Exercised	(1,851,832)	(390,447)
Cancelled	(413,340)	(1,457,247)
Options Outstanding (in Shares)	9,618,828	11,884,000
2005 Equity Incentive Plan [Member]
Note 9 - Stockholders' Equity (Details) - Summary of Inactive Plans [Line Items]
Options Outstanding (in Shares)	1,447,500	1,705,000
Granted		350,000
Exercised	(475,000)	(25,000)
Cancelled		(582.500)
Options Outstanding (in Shares)	972,500	1,447,500
1998 Stock Option/Stock Issuance Plan [Member]
Note 9 - Stockholders' Equity (Details) - Summary of Inactive Plans [Line Items]
Options Outstanding (in Shares)	137,500	432,500
Exercised	(137,500)	(200,000)
Cancelled		(95,000)
Options Outstanding (in Shares)		137,500
Supplemental Stock Option Agreement [Member]
Note 9 - Stockholders' Equity (Details) - Summary of Inactive Plans [Line Items]
Options Outstanding (in Shares)		30,000
Cancelled		(25,000)
Options Outstanding (in Shares)	5,000	5,000
Inactive Plans [Member]
Note 9 - Stockholders' Equity (Details) - Summary of Inactive Plans [Line Items]
Options Outstanding (in Shares)	13,474,000	11,636,694
Granted		4,612,500
Exercised	(2,464,332)	(615,447)
Cancelled	(413,340)	(2,159,747)
Options Outstanding (in Shares)	10,596,328	13,474,000