Equity (Details) (USD $)	9 Months Ended	0 Months Ended		0 Months Ended	1 Months Ended
	Sep. 30, 2014	Sep. 10, 2014 Registered Offering [Member]	Sep. 10, 2014 Registered Offering [Member]	Sep. 10, 2014 Private Placement [Member] The Sentient Group [Member]	Sep. 30, 2012 Private Placement [Member] The Sentient Group [Member]	Sep. 10, 2014 Private Placement [Member] The Sentient Group [Member]
Registered offering stock units (in shares)		3,692,000
Units issued (in shares)				5,800,000
Common stock, par value (in dollars per share)			$ 0.01			$ 0.01
Number of common shares that can be purchased upon exercise of warrant			1,846,000
Sale price (in dollars per shares)		$ 0.86		$ 0.817
Number of shares of common stock per capital unit (in shares)		1		1	1
Number of common shares which can be purchased with each warrant			0.50		0.5	0.50
Exercise price of warrants (in dollars per share)			1.21		8.42	1.21
Term of warrants		5 years		5 years	5 years
Net proceeds from offering	$ 7,410,000	$ 2,700,000		$ 4,700,000
Amount of underwriting commissions and expenses		500,000		300,000
Risk-free rate (as a percent)		1.79%		1.79%
Share price			$ 1.01			$ 1.01
Volatility rate		83.00%		83.00%
Value of shares	2,739,000	2,100,000		3,600,000
Fair value of warrants			$ 600,000			$ 1,100,000
Par value of shares			$ 0.01			$ 0.01
Ownership interest in outstanding Common Stock (as a percent)						27.20%