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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Accounts receivable, allowance for sales returns and doubtful accounts $ 647,000 $ 542,000
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 13,143,309 15,525,955
Common stock, outstanding 13,115,642 13,767,380
Common stock in treasury, shares 0 1,608,908