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Note 8 - Accrued Liabilities (Details) - Accrued Liabilities (USD $)	Dec. 31, 2014	Dec. 31, 2013
Accrued Liabilities [Abstract]
Payroll expenses	$ 192,000us-gaap_AccruedSalariesCurrent	$ 178,000us-gaap_AccruedSalariesCurrent
Bonuses payable	809,000us-gaap_AccruedBonusesCurrent	664,000us-gaap_AccruedBonusesCurrent
Uncertain tax position liability (Note 11)	194,000us-gaap_AccruedIncomeTaxesCurrent	194,000us-gaap_AccruedIncomeTaxesCurrent
	$ 1,195,000us-gaap_AccruedLiabilitiesCurrent	$ 1,036,000us-gaap_AccruedLiabilitiesCurrent

Carrying value as of the balance sheet date of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. 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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- Definition

Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References+ Details