15. BUSINESS SEGMENTS (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net revenue (external customers)		$ 5,359,483	$ 6,009,409	$ 5,917,153	$ 6,047,979
Net revenue (intersegment)		0	0	0	0
Income (loss) from operations before income tax benefit		(2,953,552)	(1,198,166)	(7,788,981)	(7,594,196)
Income tax expense (benefit)		672,633	365,983	1,929,076	1,761,120
Income (loss) from operations after income taxes benefit		(2,280,919)	(832,183)	(5,859,905)	(5,833,076)
Total assets		264,788,213	329,563,727	264,788,213	329,563,727
Depreciation and amortization		4,104,334	3,587,632	7,559,224	6,964,880
Capital expenditures		2,443,931	11,501,738	9,860,142	11,501,738
Bromine Segment
Net revenue (external customers)	[1]	4,487,017	5,751,164	4,949,863	5,751,164
Net revenue (intersegment)	[1]	0	0	0	0
Income (loss) from operations before income tax benefit	[1]	(1,479,084)	(36,713)	(4,345,522)	(3,661,727)
Income tax expense (benefit)	[1]	350,708	9,540	1,068,146	906,887
Income (loss) from operations after income taxes benefit	[1]	(1,128,376)	(27,173)	(3,277,376)	(2,754,840)
Total assets	[1]	115,956,839	169,870,183	115,956,839	169,870,183
Depreciation and amortization	[1]	3,038,936	2,476,960	5,236,780	4,595,037
Capital expenditures	[1]	0	10,857,541	3,157,669	10,857,541
Crude Salt Segment
Net revenue (external customers)	[1]	872,466	245,079	967,290	245,079
Net revenue (intersegment)	[1]	0	0	0	0
Income (loss) from operations before income tax benefit	[1]	(611,472)	(828,736)	(2,125,054)	(2,240,545)
Income tax expense (benefit)	[1]	172,849	215,360	551,245	568,312
Income (loss) from operations after income taxes benefit	[1]	(438,623)	(613,376)	(1,573,809)	(1,672,233)
Total assets	[1]	38,299,428	29,241,474	38,299,428	29,241,474
Depreciation and amortization	[1]	919,003	958,352	2,027,445	2,063,460
Capital expenditures	[1]	0	644,197	646,752	644,197
Chemical Products Segment
Net revenue (external customers)		0	0	0	0
Net revenue (intersegment)		0	0	0	0
Income (loss) from operations before income tax benefit		(654,652)	(656,424)	(1,365,561)	(1,329,974)
Income tax expense (benefit)		149,076	141,083	309,685	285,921
Income (loss) from operations after income taxes benefit		(505,576)	(515,341)	(1,055,876)	(1,044,053)
Total assets		108,862,565	128,641,174	108,862,565	128,641,174
Depreciation and amortization		111,797	116,240	225,281	233,628
Capital expenditures		2,443,931	0	6,055,721	0
Natural Gas
Net revenue (external customers)		0	13,166	0	51,736
Net revenue (intersegment)		0	0	0	0
Income (loss) from operations before income tax benefit		(53,270)	(61,401)	(102,116)	(103,384)
Income tax expense (benefit)		0	0	0	0
Income (loss) from operations after income taxes benefit		(53,270)	(61,401)	(102,116)	(103,384)
Total assets		1,599,014	1,773,689	1,599,014	1,773,689
Depreciation and amortization		34,598	36,080	69,718	72,755
Capital expenditures		0	0	0	0
Segment Total
Net revenue (external customers)		5,359,483	6,009,409	5,917,153	6,047,979
Net revenue (intersegment)		0	0	0	0
Income (loss) from operations before income tax benefit		(2,798,478)	(1,583,274)	(7,938,253)	(7,335,630)
Income tax expense (benefit)		672,633	365,983	1,929,076	1,761,120
Income (loss) from operations after income taxes benefit		(2,125,845)	(1,217,291)	(6,009,177)	(5,574,510)
Total assets		264,717,846	329,526,520	264,717,846	329,526,520
Depreciation and amortization		4,104,334	3,587,632	7,559,224	6,964,880
Capital expenditures		2,443,931	11,501,738	9,860,142	11,501,738
Corporate
Net revenue (external customers)		0	0	0	0
Net revenue (intersegment)		0	0	0	0
Income (loss) from operations before income tax benefit		(155,074)	385,108	149,272	(258,566)
Income tax expense (benefit)		0	0	0	0
Income (loss) from operations after income taxes benefit		(155,074)	385,108	149,272	(258,566)
Total assets		70,367	37,207	70,367	37,207
Depreciation and amortization		0	0	0	0
Capital expenditures		$ 0	$ 0	$ 0	$ 0

[1] Certain common production overheads, operating and administrative expenses and asset items (mainly cash and certain office equipment) of bromine and crude salt segments in SCHC were split by reference to the average selling price and production volume of the respective segment.