Note 6 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	IKONICS
			IKONICS
	Chromaline		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	3,107,116	$	958,128	$	112,601	$	418,566		$	—		$	4,596,411
Cost of goods sold		2,280,224		501,006		51,547		335,205			—			3,167,982
Gross profit		826,892		457,122		61,054		83,361			—			1,428,429
Selling general and administrative*		467,091		248,050		34,761		88,362			500,597			1,338,861
Research and development*		—		—		—		—			270,465			270,465
Income (loss) from operations	$	359,801	$	209,072	$	26,293	$	(5,001	)	$	(771,062	)	$	(180,897	)

	IKONICS
			IKONICS
	Chromaline		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	3,099,892	$	968,933	$	94,322	$	471,030		$	—		$	4,634,177
Cost of goods sold		2,037,949		509,613		33,612		390,688			—			2,971,862
Gross profit		1,061,943		459,320		60,710		80,342			—			1,662,315
Selling general and administrative*		441,393		244,633		32,596		97,477			492,864			1,308,963
Research and development*		—		—		—		—			156,472			156,472
Income (loss) from operations	$	620,550	$	214,687	$	28,114	$	(17,135	)	$	(649,336	)	$	196,880

	IKONICS
			IKONICS
	Chromaline		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	5,136,457	$	2,046,934	$	205,361	$	736,350		$	—		$	8,125,102
Cost of goods sold		3,833,834		1,086,510		85,593		681,617			—			5,687,554
Gross profit		1,302,623		960,424		119,768		54,733			—			2,437,548
Selling general and administrative*		912,094		570,503		69,366		176,510			992,353			2,720,826
Research and development*		—		—		—		—			449,307			449,307
Income (loss) from operations	$	390,529	$	389,921	$	50,402	$	(121,777	)	$	(1,441,660	)	$	(732,585	)

	IKONICS
			IKONICS
	Chromaline		Imaging		DTX		AMS			Unalloc.			Total
Net sales	$	5,440,702	$	2,188,281	$	182,988	$	893,684		$	—		$	8,705,655
Cost of goods sold		3,702,827		1,133,224		59,004		785,866			—			5,680,921
Gross profit		1,737,875		1,055,057		123,984		107,818			—			3,024,734
Selling general and administrative*		866,722		529,658		67,448		182,260			1,011,858			2,657,946
Research and development*		—		—		—		—			310,548			310,548
Income (loss) from operations	$	871,153	$	525,399	$	56,536	$	(74,442	)	$	(1,322,406	)	$	56,240

	Jun 30, 2019		Dec 31, 2018
Chromaline	$	1,568,512	$	1,550,411
IKONICS Imaging		323,741		360,551
DTX		26,559		15,692
AMS		298,714		331,708
Unallocated		5,919		(43,147	)
Total	$	2,223,445	$	2,215,215