Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Revenues    
Product sales $ 2,059,819 $ 5,284,234
Equipment sales 9,146 7,160
Demonstrations and consulting services 52,147 136,000
Total revenues 2,121,112 5,427,394
Costs and expenses    
Cost of sales 1,708,315 3,785,922
Selling, general and administrative expenses 1,781,368 2,694,282
Total costs and expenses 3,489,683 6,480,204
Operating loss (1,368,571) (1,052,810)
Other expenses    
Interest expense (513,501) (540,475)
Letter of credit fees (29,000) (60,000)
Total other expenses (542,501) (600,475)
Net loss before taxes (1,911,072) (1,653,285)
Income tax expense
Net loss $ (1,911,072) $ (1,653,285)
Net loss per common share - basic and diluted: $ (0.03) $ (0.02)
Weighted average common shares outstanding 76,246,113 73,585,727