Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenue
Total Revenue	$ 4,543,442	$ 5,398,923	$ 9,579,788	$ 9,999,216
Operating costs and expenses
Cost of revenue	2,013,598	1,942,671	4,056,626	3,741,615
Selling, general and administrative expenses	1,816,195	1,426,985	3,885,235	3,124,648
Depreciation and amortization expense	930,410	941,683	1,941,515	1,877,710
Total operating costs and expenses	4,760,203	4,311,339	9,883,376	8,743,973
Operating income (loss)	(216,761)	1,087,584	(303,588)	1,255,243
Other income (expense)
Interest income	21,431	7,873	40,364	14,014
Interest expense	(216,241)	(182,497)	(394,223)	(374,050)
Gain on disposition of assets	14,147		14,147
Total other expense	(180,663)	(174,624)	(339,712)	(360,036)
Net income (loss)	$ (397,424)	$ 912,960	$ (643,300)	$ 895,207
Basic income (loss) earnings per common share	$ (0.02)	$ 0.04	$ (0.03)	$ 0.04
Basic weighted average common shares outstanding	25,034,580	24,535,155	25,026,384	24,535,155
Diluted income (loss) per common share	$ (0.02)	$ 0.04	$ (0.03)	$ 0.04
Diluted weighted average common shares outstanding	25,034,580	25,140,467	25,026,384	25,140,467
Tool Revenue [Member]
Revenue
Total Revenue	$ 2,573,513	$ 4,053,061	$ 6,017,422	$ 7,600,889
Contract Services [Member]
Revenue
Total Revenue	$ 1,969,929	$ 1,345,862	$ 3,562,366	$ 2,398,327