|
Note 3 - Private Placement of Series A 8% Convertible Preferred Stock and Common Stock Warrants (Details) (USD $)
|
1 Months Ended | 12 Months Ended | 12 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 29, 2009
|
Jun. 30, 2008
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Jun. 30, 2008
Common Stock Class A [Member]
|
Jun. 30, 2008
Common Stock Class B [Member]
|
Jun. 30, 2008
Common Stock Class C [Member]
|
Dec. 31, 2013
Liquidation Rights [Member]
|
Dec. 31, 2012
Liquidation Rights [Member]
|
Dec. 31, 2013
Dividend Rights [Member]
|
Dec. 31, 2012
Dividend Rights [Member]
|
Jun. 30, 2008
Common Stock Shares Purchased Per Class Of Warrant [Member]
|
Jun. 30, 2008
Aggregate Common Stock Shares Purchased For All Warrant Classes[Member]
|
Dec. 31, 2013
Preferred Class A [Member]
|
Dec. 31, 2013
Maximum [Member]
|
Jun. 15, 2012
Maximum [Member]
|
|
| Note 3 - Private Placement of Series A 8% Convertible Preferred Stock and Common Stock Warrants (Details) [Line Items] | ||||||||||||||||
| Preferred Stock, Dividend Rate, Percentage | 8.00% | 8.00% | ||||||||||||||
| Detachable Warrant Period | 5 years | |||||||||||||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 1.25 | 1.50 | 1.75 | |||||||||||||
| Preferred Stock, Shares Issued (in Shares) | 5,160,000 | |||||||||||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) | 2,580,000 | 7,740,000 | ||||||||||||||
| Common Stock, Shares, Issued (in Shares) | 2,250,000 | 24,449,626 | 23,155,146 | 500,000 | ||||||||||||
| Preferred Stock, Liquidation Preference Per Share (in Dollars per share) | $ 1.20 | |||||||||||||||
| Preferred Stock Liquidation Preference Amount | $ 5,836,000 | |||||||||||||||
| undefined | 5,883,000 | |||||||||||||||
| Dividends Payable | $ 52,000 | $ 99,000 | $ 52,000 | $ 99,000 | ||||||||||||
| Preferred Stock, Contract Terms | 25% | 10% | ||||||||||||||
| Preferred Stock, Dividend Payment Terms | 20% | |||||||||||||||
| Convertible Preferred Stock, Settlement Terms | 2% | 12% | ||||||||||||||