|
Note 4 - Contingencies (Detail)
|
Mar. 31, 2013
USD ($)
|
Dec. 31, 2012
USD ($)
|
Nov. 18, 2007
Not Deemed Registrable Securities [Member]
Seven Year Warrants [Member]
|
Mar. 31, 2013
Korean Business Segment [Member]
USD ($)
|
Mar. 31, 2013
Korean Business Segment [Member]
KRW
|
Oct. 31, 2010
Seven Year Warrants [Member]
|
Oct. 31, 2007
Seven Year Warrants [Member]
USD ($)
|
Oct. 31, 2010
One Year Warrants [Member]
|
|---|---|---|---|---|---|---|---|---|
| Other Assets, Noncurrent (in Won) | $ 255,000 | $ 258,000 | $ 91,000 | 100,000,000 | ||||
| Other Assets, Noncurrent (in Dollars) | 255,000 | 258,000 | 91,000 | 100,000,000 | ||||
| Convertible Debt (in Dollars) | $ 4,250,000 | |||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 3,704,854 | 1,495,952 | 1,495,952 | 1,495,952 |