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Supplemental Non-cash Investing and Financing Activities
12 Months Ended
Dec. 31, 2018
Notes to Financial Statements  
Cash Flow, Supplemental Disclosures [Text Block]
SUPPLEMENTAL NON-CASH INVESTING AND FINANCING ACTIVITIES:
 
Common stock issued to certain members of the Company’s management totaled
$845,000
and
$767,000
in
2018
and
2017,
respectively.