Liquidity and Going Concern (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015	Mar. 01, 2015	Feb. 27, 2015	Dec. 31, 2014
Line of Credit Facility [Line Items]
Cash	$ 1,480,000	$ 1,631,000	$ 1,480,000	$ 1,631,000	$ 1,764,000			$ 1,938,000
Working capital deficit	6,383,000		6,383,000
Restricted cash and cash equivalents, current	51,000		51,000		83,000
Net loss	605,000	$ 269,000	1,316,000	503,000
Net cash provided by operating activities			312,000	$ 969,000
Long-term debt	$ 10,624,000		$ 10,624,000		10,988,000
Senior secured revolving loan facility
Line of Credit Facility [Line Items]
Stated interest rate (percent)	8.00%		8.00%
Senior secured term loan facility
Line of Credit Facility [Line Items]
Stated interest rate (percent)	12.00%		12.00%
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
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	8,843,000		8,843,000		8,808,000
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 (percent)						15.00%
Notes Payable, Other Payables | Promissory Note with Stockholder Representative
Line of Credit Facility [Line Items]
Long-term debt	1,781,000		1,781,000		$ 1,780,000
Interest payable	$ 394,000		$ 394,000
Stated interest rate (percent)						15.00%
Main Street Capital Corporation
Line of Credit Facility [Line Items]
Common shares owned, stockholder	7,711,517		7,711,517
Common shares owned, stockholder, percentage	22.00%		22.00%