Note 1 - Summary of Significant Accounting Policies -2 (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2018

Dec. 31, 2017

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30, 2018		December 31, 2017
Finished goods	$	61,587	$	62,932
Raw materials		157,610		141,028
Work-In-Process		58,958		61,085
Total	$	278,155	$	265,045

	December 31, 2017		December 31, 2016
Finished goods	$	62,932	$	38,201
Raw materials		141,028		165,812
Work-In-Process		61,085		68,195
Total	$	265,045	$	272,208

Property Plant and Equipment Useful Life [Table Text Block]

	Years
Computers and office equipment	3	-	7
Leasehold improvements		3
Manufacturing tooling	3	-	7
Demo equipment		3

	Years
Computers and office equipment	3	-	7
Leasehold improvements		5
Manufacturing Tooling	3	-	7
Demo Equipment		3

Property, Plant and Equipment [Table Text Block]

	September 30, 2018		December 31, 2017
Computers and office equipment	$	204,904	$	183,528
Leasehold improvements		140,114		25,635
Manufacturing tooling		108,955		108,955
Demo equipment		77,496		43,368
Total		531,469		361,486
Less: Accumulated depreciation		333,211		273,770
Total Fixed Assets, Net	$	198,258	$	87,716

	December 31, 2017		December 31, 2016
Computers and office equipment	$	183,528	$	164,318
Leasehold Improvements		25,635		25,635
Manufacturing Tooling		108,955		103,204
Demo Equipment		43,368		23,236
Total		361,486		316,393
Less: Accumulated Depreciation		273,770		214,897
Total Fixed Assets, Net	$	87,716	$	101,496