Note 7 - Debt (Detail) - Summary of Debt Components (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Debt Instruments	$ 4,333
Discounts on long-term borrowings	(25)	(48)
Subtotal	4,308	2,549
Less: Current maturies of long-term debt	(780)	(756)
Long-term debt	3,528	1,793
Unsecured Convertible Notes [Member]
Debt Instruments	3,250	1,500
Convertible Promissory Note - TLC Investments LLC [Member]
Debt Instruments	500	500
Cognovit Note - Keystone Ruby, LLC [Member]
Debt Instruments	263	277
Letter of Credit Agreement - Mark Plush [Member]
Debt Instruments	250	250
Unsecured Promissory Note - Quercus Trust [Member]
Debt Instruments	$ 70	$ 70

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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- Definition

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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