Unaudited Condensed Consolidated Financial Statements and Management's Plans (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015 USD ($) subsidiary	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) Segment subsidiary	Sep. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Nov. 13, 2015 USD ($)
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Number of operating segments | Segment			1
Number of active subsidiaries | subsidiary	3		3
Net (loss) income	$ (322,000)	$ 258,000	$ (1,711,000)	$ (6,724,000)	$ (6,199,000)	$ (7,301,000)
Line of credit current borrowing capacity	0		0
Total net revenue	$ 2,667,000	$ 4,404,000	8,923,000	$ 8,921,000
Increase (decrease) in working capital			$ (3,674,000)		$ (2,352,000)
Subsequent Event
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Line of Credit							$ 4,261,000
ZBC
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Noncontrolling interest, ownership percentage	80.00%		80.00%