INTANGIBLES (Details) - USD ($)	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Net Intangible assets	$ 27,096,006	$ 26,460,110
Diversified Products [Member]
Total Gross Intangibles	386,828	1,550,904
Accumulated Amortization	379,893	1,517,168
Net Intangible assets	6,935	33,736
Engineered Solutions [Member]
Total Gross Intangibles	34,200,875	30,261,047
Accumulated Amortization	7,111,804	3,834,673
Net Intangible assets	27,089,071	26,426,374
Total [Member]
Total Gross Intangibles	34,587,703	31,811,951
Accumulated Amortization	$ 7,491,697	$ 5,351,841
Weighted-Average Amortization Period (Years)	8 years 7 months 6 days	9 years 6 months
Net Intangible assets	$ 27,096,006	$ 26,460,110
Total [Member] | License and Service [Member]
Total Gross Intangibles	0	307,370
Accumulated Amortization	0	$ 307,369
Weighted-Average Amortization Period (Years)		2 years
Non-compete agreements [Member] | Diversified Products [Member]
Total Gross Intangibles	0	$ 407,000
Accumulated Amortization	0	407,000
Non-compete agreements [Member] | Engineered Solutions [Member]
Total Gross Intangibles	1,107,243	64,570
Accumulated Amortization	106,458	10,832
Non-compete agreements [Member] | Total [Member]
Total Gross Intangibles	1,107,243	471,570
Accumulated Amortization	$ 106,458	$ 417,832
Weighted-Average Amortization Period (Years)	4 years 3 months 18 days	1 year 10 months 24 days
Patents and developed technology [Member] | Diversified Products [Member]
Total Gross Intangibles	$ 386,828	$ 386,828
Accumulated Amortization	379,893	353,093
Patents and developed technology [Member] | Engineered Solutions [Member]
Total Gross Intangibles	7,063,510	6,607,802
Accumulated Amortization	2,262,507	1,941,060
Patents and developed technology [Member] | Total [Member]
Total Gross Intangibles	7,450,338	6,994,630
Accumulated Amortization	$ 2,642,400	$ 2,294,153
Weighted-Average Amortization Period (Years)	9 years 3 months 18 days	10 years 2 months 12 days
Customer relationship [Member] | Diversified Products [Member]
Total Gross Intangibles	$ 0	$ 449,706
Accumulated Amortization	0	449,706
Customer relationship [Member] | Engineered Solutions [Member]
Total Gross Intangibles	26,030,122	23,588,675
Accumulated Amortization	4,742,839	1,882,781
Customer relationship [Member] | Total [Member]
Total Gross Intangibles	26,030,122	24,038,381
Accumulated Amortization	$ 4,742,839	$ 2,332,487
Weighted-Average Amortization Period (Years)	8 years 7 months 6 days	9 years 7 months 6 days
Intellectual Property [Member] | Diversified Products [Member]
Total Gross Intangibles	$ 0	$ 307,370
Accumulated Amortization	0	307,369
Intellectual Property [Member] | Engineered Solutions [Member]
Total Gross Intangibles	0	0
Accumulated Amortization	$ 0	$ 0