Common Stock (Details) (USD $)	3 Months Ended	9 Months Ended	0 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2014 Prepaid expenses and other current assets [Member]	Sep. 16, 2014 Common stock [Member]	Sep. 30, 2014 Common stock [Member]	Sep. 30, 2014 Common stock [Member]	Sep. 16, 2014 Common stock [Member]
Class of Stock [Line Items]
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
Capitalized stock issuance costs			100,000
Stock issuance costs, reduction of additional paid-in capital	$ 6,000	$ 6,000