STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income	$ 3,736,707	$ 2,283,399
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of building and tenant improvements and equipment	2,870,097	2,555,093
Amortization of leasing commissions	525,334	301,053
Amortization of mortgage refinancing costs	363,617	363,618
Leasing commissions paid	(2,501,847)
Changes in operating assets and liabilities:
Prepaid insurance	(15,764)
Due to Supervisor	35,991	879,173
Accrued mortgage interest	(10,933)	(10,340)
Accrued supervisory fees, a related party	(81,265)	3,265
Accrued expenses	(768,836)	184,796
Net cash provided by operating activities	4,153,101	6,560,057
Cash flows from investing activities-
Purchase of building and tenant improvements	(4,433,282)	(3,037,857)
Net cash used in investing activities	(4,433,282)	(3,037,857)
Cash flows from financing activities:
Change in receivable from Participants - NYS estimated tax	3,357
Repayment of mortgages payable	(2,368,855)	(2,241,546)
Distributions to Participants	(3,929,358)	(1,046,420)
Deferred costs	(1,795,613)	(1,323,191)
Net cash used in financing activities	(8,090,469)	(4,611,157)
Net decrease in cash and cash equivalents	(8,370,650)	(1,088,957)
Cash and cash equivalents, beginning of year	10,466,377	11,555,334
Cash and cash equivalents, end of year	2,095,727	10,466,377
Supplemental disclosure of cash flow information -
Cash paid for interest	5,082,218	5,209,527
Non-cash investing and financing activities:
Purchases of buildings and tenant improvements included in Payable to Lessee, a related party	21,951	369,810
Deferred costs included in Due to Supervisor	$ 451,082	$ 620,768