Other Accrued Liabilities (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Other accrued liabilities
Accrued inventory received	$ 10,000	$ 10,000
Accrued professional services	219,000	161,000
Accrued warranty	74,000	74,000
Other	43,000	49,000
Total	$ 346,000	$ 294,000

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 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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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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