Capital Stock - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	12 Months Ended
	Jul. 20, 2012	Dec. 31, 2012	Dec. 31, 2013
Capital Stock [Abstract]
Preferred stock, shares authorized		24,088	24,088
Shares offered in rights offering	7,250,000
Price per share	$ 0.33
Proceeds from shareholder rights offering, net of costs	$ 2,200	$ 2,220
Authorized, unissued shares of common stock			980,000