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Note 7 - Debt (Detail) - Summary of Debt Components (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Discounts on long-term debt, net of discounts	$ (94)	$ (172)
Subtotal	1,026	1,810
Less: Current maturies of long-term debt	(474)	(855)
Long-term debt	552	955
TLC Investments LLC [Member]
Convertible Promissory Note - TLC Investments LLC	500	500
EF Energy Partners LLC [Member]
Secured Subordinated Promissory Note - EF Energy Partners LLC		287
Quercus Trust [Member]
Notes Payable	70	70
Keystone Ruby [Member]
Notes Payable	300	325
Mark Plush [Member]
Letter of Credit Agreement	250	250
John Davenport [Member]
Letter of Credit Agreement		250
Quercus Trust [Member]
Letter of Credit Agreement		$ 300

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No authoritative reference available.

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Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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