Note 3 - Commitments And Contingencies (Detail) - Future Minimum Lease Obligations (USD $) In Thousands, unless otherwise specified	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
2013			$ 673
2014		391
2015	107
Total minimum lease obligations	$ 1,171

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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- Definition

Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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- Definition

Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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