Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

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Consolidated Balance Sheets (Parenthetical) (USD $)
Mar. 31, 2012
Dec. 31, 2011
Statement Of Financial Position [Abstract]    
Allowance for doubtful accounts related to accounts receivable $ 48,000 $ 48,000
Preferred Stock, par value $ 0.001 $ 0.001
Preferred Stock, shares authorized 10,000,000 10,000,000
Preferred Stock, shares issued 1,401,786 1,401,786
Preferred Stock, shares outstanding 1,401,786 1,401,786
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 250,000,000 250,000,000
Common stock, shares issued 29,056,622 28,912,712
Common stock, shares outstanding 29,056,622 28,912,712