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Note 5 - Accrued Expenses and Other Current Liabilities (Details) - Accrued Expenses and Other Current Liabilities (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Accrued Expenses and Other Current Liabilities [Abstract]
Accrued employee liabilities	$ 4,816	$ 5,010
Accrued property, use, and franchise taxes	1,658	2,558
Other	725	237
Total	$ 7,199	$ 7,805

Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from transactions not otherwise specified in the taxonomy. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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