BUSINESS SEGMENTS (Reconciliation of Revenue and Operating Income) (Details) - USD ($)	3 Months Ended
Mar. 31, 2019	Apr. 01, 2018	Dec. 30, 2018
Segment Reporting Information [Line Items]
Revenues	$ 68,776,067	$ 66,855,470
Depreciation	202,426	165,836
Amortization	1,029,083	1,129,670
Operating income	3,586,708	4,035,305
Capital expenditures	341,464	153,904
Total assets	102,656,743		$ 100,268,803
Operating Segments \| Real Estate
Segment Reporting Information [Line Items]
Revenues	19,175,782	18,034,363
Depreciation	44,113	39,282
Operating income	2,819,711	2,606,378
Capital expenditures	10,661	9,161
Total assets	13,199,509		12,647,505
Operating Segments \| Professional
Segment Reporting Information [Line Items]
Revenues	30,593,668	31,089,756
Depreciation	84,483	52,029
Amortization	1,022,805	1,060,147
Operating income	1,833,559	2,266,656
Capital expenditures	328,648	10,992
Total assets	63,899,594		62,403,104
Operating Segments \| Light Industrial
Segment Reporting Information [Line Items]
Revenues	19,006,617	17,731,351
Depreciation	25,421	26,352
Amortization	0	66,151
Operating income	1,202,991	1,056,054
Capital expenditures	2,155	0
Total assets	19,406,383		18,992,392
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Depreciation	48,409	48,173
Amortization	6,278	3,372
Capital expenditures	0	133,751
Total assets	6,151,257		$ 6,225,802
Corporate, Non-Segment \| Selling and Marketing Expense
Segment Reporting Information [Line Items]
Operating income	(132,428)	(173,948)
Corporate, Non-Segment \| General and Administrative Expense
Segment Reporting Information [Line Items]
Operating income	$ (2,137,125)	$ (1,719,835)

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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