Liquidity and Going Concern (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Mar. 01, 2015	Feb. 27, 2015	Dec. 31, 2014
Line of Credit Facility [Line Items]
Cash	$ 1,343,000	$ 1,725,000	$ 1,343,000	$ 1,725,000	$ 1,764,000			$ 1,938,000
Working capital deficit	8,644,000		8,644,000
Restricted cash and cash equivalents, current	51,000		51,000		83,000
Net loss	1,705,000	$ 714,000	3,021,000	1,217,000
Net cash provided by operating activities			265,000	$ 1,382,000
Long-term debt	$ 10,642,000		$ 10,642,000		10,988,000
Senior secured term loan facility
Line of Credit Facility [Line Items]
Stated interest rate, percentage	12.00%		12.00%
Main Street Capital Corporation | Senior secured term loan facility
Line of Credit Facility [Line Items]
Revolving loan facility, maximum borrowing capacity							$ 11,000,000
Outstanding borrowing, Main Street Term Loan	$ 9,000,000		$ 9,000,000
Long-term debt	8,860,000		8,860,000		8,808,000
Main Street Capital Corporation | Senior secured revolving loan facility
Line of Credit Facility [Line Items]
Revolving loan facility, maximum borrowing capacity							$ 2,000,000
Long-term debt	0		0		400,000
Revolving loan facility, maximum borrowing capacity, not available during default	2,000,000		2,000,000
Promissory Note | Note with SRS
Line of Credit Facility [Line Items]
Debt Instrument, face amount	1,785,000		1,785,000		1,785,000
Stated interest rate, percentage						15.00%
Notes Payable, Other Payables | Promissory Note with Stockholder Representative
Line of Credit Facility [Line Items]
Long-term debt	1,782,000		1,782,000		$ 1,780,000
Interest payable	$ 478,000		$ 478,000
Stated interest rate, percentage						15.00%
Main Street Capital Corporation
Line of Credit Facility [Line Items]
Common shares owned by stockholder (in shares)	7,711,517		7,711,517
Common shares owned, stockholder, percentage	22.00%		22.00%