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Concentrations (Details Textual)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Line of Credit Facility [Abstract]      
Purchased electrotherapy products Percentage 19.00% 23.00%  
Accounts receivable received by the company from a private health insurance company 8.00%   7.00%