Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Allowance for doubtful accounts	$ 835,000	$ 844,000
Accumulated depreciation on property and equipment	59,221,000	57,834,000
Accumulated depreciation on other intangible assets	445,000	380,000
Accumulated amortization on deferred financing costs	538,000	7,137,000
10.75% Series B cumulative exchangeable redeemable preferred stock
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, liquidation value per share	$ 1,000	$ 1,000
Preferred stock, shares authorized	280,000	280,000
Preferred stock, shares issued	92,349	92,349
Preferred stock, shares outstanding	92,349	92,349
Series C convertible preferred stock
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, liquidation value per share	$ 0.01	$ 0.01
Preferred stock, shares authorized	600,000	600,000
Preferred stock, shares issued	380,000	380,000
Preferred stock, shares outstanding	380,000	380,000
Common Class A [Member]
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	4,166,991	4,166,991
Common stock, shares outstanding	4,166,991	4,166,991
Common Class B [Member]
Common stock, par or stated value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	2,340,353	2,340,353
Common stock, shares outstanding	2,340,353	2,340,353