Quarterly report pursuant to sections 13 or 15(d)

Accrued Liabilities (Details)

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Accrued Liabilities (Details) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Accrued Liabilities [Abstract]    
Salaries, benefits and related expenses $ 792,095 $ 657,628
Professional fees 502,044 421,966
Warranty expense 232,211 288,110
Taxes 39,448 62,283
Other    812
Total $ 1,565,798 $ 1,430,799