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Organization and Nature of Business
 12 Months Ended
Dec. 31, 2011
Organization and Nature of Business [Abstract]  
ORGANIZATION AND NATURE OF BUSINESS

(1) ORGANIZATION AND NATURE OF BUSINESS

Zynex, Inc. (a Nevada corporation) and its wholly-owned subsidiaries, Zynex Medical, Inc. (ZMI), Zynex NeuroDiagnostics, Inc. (ZND), and Zynex Monitoring Solutions Inc. (ZMS) (all Colorado corporations) are collectively referred to as the “Company”. The Company’s headquarters are located in Lone Tree, Colorado. In February 2012, the Company established a new wholly-owned subsidiary, Zynex Europe, ApS (“ZEU”).

ZMI designs, manufactures and markets FDA cleared medical devices that treat chronic and acute pain, as well as activate and exercise muscles for rehabilitative purposes with electrical stimulation. ZND was formed to market, through product development and acquisitions, electromyography (“EMG”), electroencephalography (“EEG”), sleep pattern, auditory and nerve conductivity neurological diagnosis devices to hospitals and clinics worldwide, through the utilization of existing ZMI diagnostic EMG technology. During 2011, the primary activities within ZND were product development and sales and marketing. ZND did not produce any revenue during 2011 or 2010. ZMS was formed to develop and market medical devices for non-invasive cardiac monitoring. ZMS did not produce any revenue during 2011 or 2010.

In 2011 and 2010, the Company generated substantially all of its revenue in North America from sales and rentals of its products to patients, dealers and health care providers. The amount of net revenue derived from Medicare and Medicaid programs for 2011 and 2010, was approximately 16% and 9%, respectively.