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Commitments (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013 item
Estimated future minimum lease payments
2013	$ 31
2014	30
Total	$ 61
Number of separate outside contract manufacturers	2

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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- 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.

+ References+ Details