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CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Allowance for doubtful accounts receivable (in dollars) | $ 35,000 | $ 35,000
Accumulated amortization, deferred finance costs (in dollars) | 6,273,113 | 5,707,043
Deferred costs, leasing, accumulated amortization (in dollars) | 1,312,085 | 1,205,985
Finite-lived intangible assets, accumulated amortization (in dollars) | $ 1,594,815 | $ 569,737
Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Common stock, shares authorized | 15,850,000 | 13,350,000
Common stock, shares, issued | 11,436,044 | 9,851,914
Common stock, shares, outstanding | 11,436,044 | 9,851,914
Excess stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Excess stock, shares authorized | 4,000,000 | 6,500,000
Excess stock, shares issued | 0 | 0
Excess stock, shares outstanding | 0 | 0
Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Preferred stock, shares authorized | 150,000 | 150,000
Preferred stock, shares issued | 0 | 0
Preferred stock, shares outstanding | 0 | 0

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