Consolidated Statements of Operations - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Sales	$ 530,000	$ 540,000
Cost of goods sold	427,000	380,000
Gross profit	103,000	160,000
Operating expenses:
Research and development	4,052,000	4,712,000
General and administrative	5,622,000	5,160,000
Total operating expenses	9,674,000	9,872,000
Loss from operations	(9,571,000)	(9,712,000)
Other income:
Interest income	71,000	32,000
Net loss	$ (9,500,000)	$ (9,680,000)
Net loss per share - basic and fully diluted	$ (0.42)	$ (0.63)
Weighted average number of shares outstanding - basic and fully diluted	22,856,210	15,421,095

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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