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Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2018

Supplemental Cash Flow Information [Abstract]

Schedule of Supplemental Cash Flow Information

The following table summarizes supplemental cash flows for the three-month periods ended March 31, 2018 and March 31, 2017:

		2018				2017
Cash paid for interest		$	37,000			$	44,000
Non-cash investing and financing activities:
Gain from change in fair value of interest rate swap derivatives		$	15,000			$	7,000

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