Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Summary Of Significant Accounting Policies [Abstract]

Schedule Of Supplemental Disclosures Of Cash Flow Information

	2015		2014		2013
Cash paid during the year for:
Interest	$	1	$	34	$	3
Income taxes		145		3,450		5,693

Schedule Of Depreciation Expense

	2015		2014		2013
Depreciation expense	$	3,728	$	4,001	$	3,837