Supplemental Cash Flow Information (Details) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Supplemental Cash Flow Information [Abstract]
Cash paid for interest	$ 125,000	$ 151,000
Non-cash investing and financing activities:
Loss from change in fair value of interest rate swap derivatives	$ 3,000	(25,000)
Accrued liabilities with related parties settled with equity		$ 134,000
Financing of equipment purchases	$ 525,000
Financing of building improvements		$ 200,000
Change in non-controlling interest		$ 200,000