STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Total revenue	$ 11,361,575	$ 6,801,365
Total cost of revenue	8,456,799	5,223,814
Gross profit	2,904,776	1,577,551
General and administrative expense	1,256,778	1,021,155
Research and development expense	351,999	330,805
Marketing and sales expense	361,132	176,470
Income from operations	934,867	49,121
Interest	9,356	41,109
Income before income taxes	925,511	8,012
Income taxes	17,642	1,921
Net income	907,869	6,091
Dividends on preferred stock	24,152	24,152
INCOME (LOSS) APPLICABLE TO COMMON STOCK	$ 883,717	$ (18,061)
Income (loss) per common share
Basic (in dollars per share)	$ 0.21	$ (0.00)
Diluted (in dollars per share)	$ 0.21	$ (0.00)
Weighted average shares outstanding
Basic (in shares)	4,223,865	4,138,516
Diluted (in shares)	4,257,131	4,138,516