|
Note 4 - Contingencies (Detail)
|
May 04, 2013
|
Jun. 30, 2012
USD ($)
|
Jun. 30, 2012
KRW
|
Dec. 31, 2011
USD ($)
|
Nov. 03, 2011
|
May 03, 2010
|
Nov. 18, 2007
|
Oct. 31, 2007
USD ($)
|
May 31, 2007
USD ($)
|
May 31, 2007
Series A Preferred Stock [Member]
|
Jun. 30, 2012
Korean Business Segment [Member]
USD ($)
|
Oct. 31, 2010
Seven Year Warrants [Member]
|
Oct. 31, 2010
One Year Warrants [Member]
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Other Assets, Noncurrent (in Won and Dollars) | $ 247,000 | 100,000,000 | $ 241,000 | $ 86,000 | |||||||||
| Preferred Stock, Shares Issued | 1,759,307 | ||||||||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 3,704,854 | 3,704,854 | 1,495,952 | 1,759,307 | 1,495,952 | 1,495,952 | |||||||
| Loss Contingency, Range of Possible Loss, Portion Not Accrued (in Dollars) | 60,000 | ||||||||||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 5.00 | 4.35 | 3.80 | ||||||||||
| Convertible Debt (in Dollars) | $ 4,250,000 |