Business Segment Information (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2017 Segment	Dec. 31, 2017 USD ($) Segment SalesForce	Dec. 31, 2016 USD ($)
Business Segment Information [Abstract]
Number of operating segments | Segment	1	3
Segment Reporting Information [Line Items]
Segment revenue		$ 56,316,109	$ 51,851,159
Operating income (loss)		$ (889,474)	(1,810,951)
US [Member]
Segment Reporting Information [Line Items]
Minimum number of direct sales force | SalesForce		50
Europe [Member]
Segment Reporting Information [Line Items]
Minimum number of direct sales force | SalesForce		10
Reportable Segments [Member]
Segment Reporting Information [Line Items]
Segment revenue		$ 56,316,000	51,851,000
Operating income (loss)		(889,000)	(1,811,000)
Reportable Segments [Member] | Urology [Member]
Segment Reporting Information [Line Items]
Segment revenue		49,314,000	44,747,000
Operating income (loss)		281,000	(1,111,000)
Reportable Segments [Member] | Airway Management [Member]
Segment Reporting Information [Line Items]
Segment revenue		3,277,000	3,208,000
Operating income (loss)		(988,000)	(940,000)
Reportable Segments [Member] | Industrial [Member]
Segment Reporting Information [Line Items]
Segment revenue		3,725,000	3,896,000
Operating income (loss)		$ (182,000)	$ 240,000