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Balance Sheet Components (Short-Term Line of Credit) (Narrative) (Details)
$ in Thousands
Dec. 15, 2016
USD ($)
Balance Sheet Related Disclosures [Abstract]  
Maximum borrowing capacity $ 10,000
Line of credit facility, component of calculation for maximum borrowing amount under formula advances $ 1,000
Line of credit facility maximum borrowing capacity limited by eligible AR 80.00%
Line of credit facility, maximum borrowing capacity under non-formula advances $ 10,000