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STATEMENTS OF OPERATIONS (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue:
Product revenue	$ 4,043	$ 3,535	$ 6,910	$ 7,001
Other revenue	73	47	104	66
Total revenue	4,116	3,582	7,014	7,067
Operating expense:
Cost of revenue	2,711	2,381	5,199	4,662
Gross profit	1,405	1,201	1,815	2,405
Research and development expense	538	476	1,096	860
Selling, general and administrative expense	770	697	1,535	1,460
Income/(loss) from operations	97	28	(816)	85
Interest expense	9	6	20	16
Income/(loss) before provision for income taxes	88	22	(836)	69
Net income/(loss)	$ 88	$ 22	$ (836)	$ 69
Net income/(loss) per basic shares	$ 0	$ 0	$ (0.02)	$ 0
Weighted average number of basic common shares outstanding	33,847,793	31,234,330	33,847,793	31,232,223
Net income/(loss) per diluted share	$ 0	$ 0	$ (0.02)	$ 0
Weighted average number of diluted common shares outstanding	34,909,793	32,029,330	33,847,793	32,053,223

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