Consolidated Balance Sheets (Parenthetical) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Consolidated Balance Sheets [Abstract]
Allowance for Bad Debts Reserve and Sales Returns	$ 883	$ 859
Preferred Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Preferred Stock, Shares Authorized	5,000,000	5,000,000
Preferred Stock, Shares Outstanding	0	0
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	100,000,000	100,000,000
Common Stock, Shares, Issued	46,571,034	46,270,136
Common Stock, Shares, Outstanding	43,351,850	43,050,952
Treasury Stock, Shares	3,219,184	3,219,184
Related Parties Account Receivable Current	$ 1,628	$ 1,552