Income Taxes (Summary Of The Deferred Tax Assets And Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Current deferred tax assets (liabilities):
Accrued compensation and benefits	$ 66	$ 42
Prepaid expenses and other	(88)	(31)
Inventory reserves	240	21
Allowance for doubtful accounts	237	115
Warranty reserves	162	39
Total current deferred tax asset	617	186
Non-current deferred tax assets:
Intangible and other assets	3,525	3,617
Foreign net operating loss carryforwards	3,320	280
Non-qualified stock option expense	47	63
Property, equipment and other	147	96
Research and development credit	378
Non-current deferred tax asset	7,417	4,056
Less: valuation allowance	(8,156)	(280)
Non-current deferred tax asset (liability), net	(739)	3,776
Total net deferred tax asset (liability)	$ (122)	$ 3,962