Statements Of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Revenue:
Systems	$ 1,954,859	$ 2,298,608	$ 4,965,855	$ 8,222,722
Disposables, service and accessories	6,378,608	6,976,006	19,890,240	20,247,169
Total revenue	8,333,467	9,274,614	24,856,095	28,469,891
Cost of revenue:
Systems	1,245,330	1,286,849	2,724,326	4,536,391
Disposables, service and accessories	1,008,662	1,159,547	2,805,550	3,483,906
Total cost of revenue	2,253,992	2,446,396	5,529,876	8,020,297
Gross margin	6,079,475	6,828,218	19,326,219	20,449,594
Operating expenses:
Research and development	1,295,130	1,494,201	4,189,596	4,399,734
Sales and marketing	3,396,989	3,691,805	11,502,808	11,976,955
General and administrative	2,561,513	2,549,690	7,934,350	8,116,989
Total operating expenses	7,253,632	7,735,696	23,626,754	24,493,678
Operating loss	(1,174,157)	(907,478)	(4,300,535)	(4,044,084)
Other income (expense)	(9,852,514)	725,356	(9,685,850)	832,148
Interest income		267	362	1,622
Interest expense	(818,738)	(815,071)	(2,466,803)	(2,460,881)
Gain on extinguishment of debt	5,632,171		5,632,171
Net loss	(6,213,238)	(996,926)	(10,820,655)	(5,671,195)
Deemed dividend on preferred stock	(6,137,476)		(6,137,476)
Net loss	$ (12,350,714)	$ (996,926)	$ (16,958,131)	$ (5,671,195)
Net loss per common share:
Basic	$ (0.56)	$ (0.05)	$ (0.78)	$ (0.27)
Diluted	$ (0.56)	$ (0.05)	$ (0.78)	$ (0.27)
Weighted average shares used in computing net loss per common share:
Basic	21,869,177	21,142,795	21,758,529	20,965,012
Diluted	21,869,177	21,142,795	21,758,529	20,965,012