CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2012	Dec. 31, 2011
CURRENT ASSETS
Accounts receivable, net of allowances	$ 1,950	$ 1,547
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	24,280,505	24,175,051
Common stock, shares outstanding (in shares)	24,280,505	24,175,051