Consolidated Statement of Income (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Total sales	$ 13,593,192	$ 7,220,626	$ 25,471,892	$ 10,566,941
Cost of Sales	10,106,614	4,191,480	18,966,873	6,160,281
Gross Profit	3,486,578	3,029,146	6,505,019	4,406,660
Operating Expenses:
Product development costs	97,389	179,840	220,418	397,156
Selling, general and administrative expenses	1,572,244	1,540,381	3,824,571	2,434,683
Operating Income	1,816,945	1,308,925	2,460,030	1,574,821
Other (Income) and Expenses:
Interest charges	80,755	66,695	166,688	114,887
Loss (gain) on sale of operations	1,160,574		1,160,574	0
Other (income) expense, net	49,450	263,334	108,266	259,771
Total Other (Income) and Expenses	1,290,779	330,029	1,435,528	374,658
Income before Provision for Income Taxes	526,166	978,896	1,024,502	1,200,163
Provision for Income Taxes	131,541	37,373	256,125	45,500
Net Income	$ 394,625	$ 941,523	$ 768,377	$ 1,154,663
Net Income Per Common Share - Basic (in dollars per share)	$ 0.14	$ 0.33	$ 0.27	$ 0.40
Net Income Per Common Share - Diluted (in dollars per share)	$ 0.13	$ 0.31	$ 0.24	$ 0.38
Weighted Average Shares of Common Stock Outstanding – Basic (in shares)	2,721,832	2,880,719	2,880,070	2,879,115
Weighted Average Shares of Common Stock Outstanding - Diluted (in shares)	3,076,076	3,072,400	3,236,590	3,043,619