4. SUPPLEMENTAL CASH FLOW INFORMATION

3 Months Ended

Mar. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Cash Flow, Supplemental Disclosures [Text Block]

4. SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information is as follows:

	(Unaudited)
	Three Months Ended
	March 31,
	2017		2016
Interest	$	99,546	$	117,947
Federal, state and local income taxes,
net of refunds	$	36,499	$	988,056
Fixed asset purchases in accounts payable	$	108,345	$	148,357