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12. Commitments (Details 2) (USD $)
Dec. 31, 2012
Commitments Details 2  
2013 $ 111,000
2014 26,000
2015 26,000
2016 20,000
2017 6,000
Thereafter   
Total minimum payments 189,000
Less amounts representing interest (22,000)
Present value of net minimum payments 167,000
Less current portion (100,000)
Long-term capital lease obligations $ 67,000