XML 50 R3.htm IDEA: XBRL DOCUMENT v2.4.0.6
CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Accounts receivable, allowance for sales returns and doubtful accounts $ 542,000 $ 504,000
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, authorized 1,500,000 1,500,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 20,000,000 20,000,000
Common stock, issued 15,525,955 15,510,185
Common stock, outstanding 13,767,380 13,596,021
Common stock in treasury, shares 1,608,908 1,458,908