Note 11 - Warrant Transactions (Details) (USD $)							1 Months Ended	12 Months Ended						1 Months Ended				12 Months Ended
	Dec. 31, 2013	Mar. 05, 2013	Dec. 31, 2012	Feb. 19, 2010	Jan. 25, 2008	Mar. 31, 2006	Apr. 30, 2013 Venture Lending & Leasing VI and VII [Member]	Dec. 31, 2013 Venture Lending & Leasing VI and VII [Member]	Mar. 31, 2006 Scott, Richard L Series #2 and #3 [Member] Series 2 Warrant [Member]	Mar. 31, 2006 Scott, Richard L Series #2 and #3 [Member] Series 3 Warrant [Member]	Mar. 31, 2006 Scott, Richard L Series #2 and #3 [Member]	Mar. 31, 2006 Allen, F. Stephen Series #2 and #3 [Member] Series 3 Warrant [Member]	Mar. 31, 2006 Allen, F. Stephen Series #2 and #3 [Member] Series 2, MATT Inc [Member]	Feb. 19, 2010 Allen, F. Stephen Series #2 and #3 [Member]	Mar. 31, 2006 Allen, F. Stephen Series #2 and #3 [Member]	Mar. 31, 2006 CEO Compensation [Member]	Mar. 05, 2013 Series 1 and 2 MATT Inc. [Member] Exercised [Member]	Dec. 31, 2013 Series 1 and 2 MATT Inc. [Member]	Mar. 05, 2013 Series 1 and 2 MATT Inc. [Member]	Jan. 25, 2008 Series 1 and 2 MATT Inc. [Member]	Oct. 31, 2006 Series 1 and 2 MATT Inc. [Member]	Oct. 31, 2006 Series 1, MATT Inc [Member]	Oct. 31, 2006 Series 2, MATT Inc [Member]	Jan. 25, 2008 MATT Inc [Member]
Note 11 - Warrant Transactions (Details) [Line Items]
Initial Aggregate Exercise Value of Warrants Issued							$ 800,000
Exercise Value Increase First Tranche							200,000
Exercise Value Increase Second and Third Tranche							300,000
Warrants Expiration Term							10 years
Increase (Decrease) in Fair Value of Outstanding Warrants								(77,260)
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		2,147				200,000					1,000,000				1,000,000		2,147				1,000,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	2.61	2.75	2.98	3.55	2.75				4.00	7.00		7.00	4.00			3.55				2.75
Debt Instrument, Unamortized Discount					263,690																			1,341,692
Share-Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Period Balance Outstanding														1,000,000
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights Minimum																						$ 12.50
Class of Warrant or Right, Exercise Price of Warrants or Rights Maximum																							$ 15.00
Warrants Aggregate Exercise Price																			$ 2,000,000
Class of Warrant or Right, Forfeitures																		400,002
Class of Warrant or Right, Outstanding	3,111,690		4,200,000															1,597,851