CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 262	$ 519
Common stock, shares authorized	43,000,000	43,000,000
Common stock, shares issued	18,664,068	18,582,954
Common stock, shares outstanding	18,664,068	18,582,954