Segment Information

12 Months Ended

Dec. 31, 2014

Segment Information [Abstract]

Segment Information

18. Segment Information

The Company considers reporting segments in accordance with general accounting principles for disclosures about segments of an enterprise and related information. The Company’s system and disposable devices are developed and marketed to a broad base of hospitals in the United States and internationally. The Company considers all such sales to be part of a single operating segment.

	Year Ended December 31,
	2014		2013		2012
United States	$	21,626,788	$	24,063,932	$	27,034,200
International		13,384,488		13,967,149		19,528,234
Total	$	35,011,276	$	38,031,081	$	46,562,434

All of the Company’s long-lived assets are located in the United States. Revenues are attributed to countries based on the location of the customer.