Organization and Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance at beginning of year	$ 139	$ 148	$ 213
Bad debt expense	97	50	(59)
Write-offs, net of recoveries	(104)	(59)	(6)
Balance at end of year	$ 132	$ 139	$ 148