CONDENSED CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Accounts receivable, reserves (in dollars)	$ 3,411	$ 3,394
Preferred Shares, authorized	5,000	5,000
Preferred Shares, issued	0	0
Common Shares, authorized	60,000	60,000
Common Shares, issued	28,803	28,433
Common Shares, outstanding	28,487	27,913
Common Shares held in treasury, shares	316	520