Other Balance Sheet Details (Details 1) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Other Balance Sheet Details [Abstract]
Compensation	$ 1,711	$ 1,708
Legal	726	459
Amounts owed to former licensees	915	925
Royalties owed to third parties	823	705
Other	1,222	1,069
Accrued liabilities	$ 5,397	$ 4,866

Other Balance Sheet Details [Abstract]

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. 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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Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for sales commissions.

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Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. 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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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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