Subsequent Events - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended		1 Months Ended
	Nov. 30, 2012	Dec. 31, 2012	Dec. 31, 2012 March 31, 2013	Nov. 30, 2012 PFGI II LLC Note	Jan. 25, 2013 Subsequent Event PFGI II LLC Note	Jan. 25, 2013 Subsequent Event Wheat Ridge Colorado	Jan. 25, 2013 Subsequent Event Thornton Colorado March 31, 2013	Jan. 25, 2013 Subsequent Event Short term seller note March 31, 2013
Subsequent Event [Line Items]
Net proceeds from sale leaseback transaction	$ 1,377,000	$ 1,377,000	$ 1,085,000			$ 870,000	$ 1,085,000
Repayment of notes payable				$ 765,000	$ 531,000			$ 600,000