XML 50 R27.htm IDEA: XBRL DOCUMENT v2.4.0.6
Disclosures About Fair Value of Financial Instruments (Details) Narrative (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis  
Notional amount of initial production 12,000
Notional Amount of Steady-state Production 19,500
Percent of anticipated capacity 67.00%
Percent of estimated future production 80.00%
OTC BULLETIN BOARD
 
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis  
Available-for-sale securities 21,400