Basis of Presentation and Liquidity (Details) (USD $)	3 Months Ended		9 Months Ended				0 Months Ended		9 Months Ended		9 Months Ended				9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 segment	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Sep. 16, 2014 Common stock [Member]	Sep. 30, 2014 Common stock [Member]	Sep. 30, 2014 Common stock [Member]	Sep. 16, 2014 Common stock [Member]	Sep. 30, 2014 Senior secured term loan facility [Member]	Oct. 17, 2013 Senior secured term loan facility [Member]	Sep. 30, 2014 Senior secured term loan facility [Member] Main Street Capital Corporation [Member]	Dec. 31, 2013 Senior secured term loan facility [Member] Main Street Capital Corporation [Member]	Sep. 30, 2014 Senior secured revolving loan facility [Member]	Oct. 17, 2013 Senior secured revolving loan facility [Member]	Sep. 30, 2014 Senior secured revolving loan facility [Member] Main Street Capital Corporation [Member]	Dec. 31, 2013 Senior secured revolving loan facility [Member] Main Street Capital Corporation [Member]
Organization, Presentation and Liquidity [Line Items]
Number of operating segments			1
Cash	$ 2,153,000	$ 2,051,000	$ 2,153,000	$ 2,051,000	$ 2,294,000	$ 2,218,000
Working capital	1,970,000		1,970,000
Restricted cash	185,000		185,000
Net loss	198,000	(551,000)	(635,000)	(2,686,000)
Net cash provided by operating activities			1,560,000	1,812,000
Revolving loan facility, maximum borrowing capacity												11,000,000				2,000,000
Outstanding borrowings											9,000,000				400,000
Main Street Revolver													9,000,000	9,000,000			400,000	300,000
Stock offering, maximum sales value										8,000,000
Stock offering costs, commission percentage							3.00%
Common shares sold in stock offering (in shares)								89,000	89,000
Weighted-average selling price in common stock offering (in dollars per share)								$ 1.33	$ 1.33
Proceeds from sale of common stock								118,000
Proceeds from sale of common stock, net of commissions expense								108,000
Revolving loan facility, unused borrowing capacity											$ 2,000,000				$ 1,600,000