Accrued Liabilities - Additional Information (Detail) (USD $)	1 Months Ended	6 Months Ended
	Jul. 31, 2012	Jun. 30, 2013	Jan. 31, 2013 Property
Accrued Liabilities [Line Items]
Lease, base rent		$ 250,000
Annual rate adjustment percentage		1.75%
Investments agreed under lease arrangement	200,000
Description of additional rent payable	Company will pay additional rent to the City equal to 5.0% of gross revenues exceeding $5,500,000 and 7.0% of gross revenues exceeding $6,500,000.
Additional rent percentage exceeding $5,500,000 gross revenue	5.00%
Additional rent percentage on exceeding $6,500,000 gross revenue	7.00%
Gross revenue value for additional rent under lease amendment lower limit	5,500,000
Gross revenue value for additional rent under lease amendment upper limit	6,500,000
Rent deferred, no longer due	3,000,000	2,600,000
Lease term expiration year	2022
Number of acquisition properties leased			2
Tenant improvements credited at closing balance			733,000
Decrease in accrued liabilities for payments of completion of improvements		709,112
Remaining balance of completion of improvements to be paid on client request		63,888
Maximum [Member]
Accrued Liabilities [Line Items]
Base rent payments per year	500,000
Minimum [Member]
Accrued Liabilities [Line Items]
Base rent payments per year	$ 250,000