4. SUPPLEMENTAL CASH FLOW INFORMATION

6 Months Ended

Jun. 30, 2016

Supplemental Cash Flow Elements [Abstract]

Cash Flow, Supplemental Disclosures [Text Block]

4. SUPPLEMENTAL CASH FLOW INFORMATION

Supplemental cash flow information is as follows:

	(Unaudited)
	Six Months Ended
	June 30,
	2016		2015
Interest	$	256,979	$	332,387
Federal, state and local income taxes, net of refunds	$	1,042,711	$	4,583,560
Fixed asset purchases in accounts payable	$	450,881	$	294,363