Condensed Consolidated Balance Sheets (Parenthetical) (USD $)			12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Redeemable Preferred Stock Series B [Member]	Dec. 31, 2012 Redeemable Preferred Stock Series B [Member]	Dec. 31, 2013 Preferred Stock Series A [Member]	Dec. 31, 2012 Preferred Stock Series A [Member]	Dec. 31, 2013 Series C Convertible Preferred Stock [Member]	Dec. 31, 2012 Series C Convertible Preferred Stock [Member]
Accounts receivable, allowance for doubtful accounts	$ 20,000	$ 201,000
Preferred stock, dividend rate			10.00%	10.00%	8.00%	8.00%	6.25%	6.25%
Redeemable preferred stock, shares authorized			800,000	800,000
Preferred stock, par value			$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares outstanding			332,500	332,500			3,000,000	3,000,000
Preferred stock, shares authorized	40,000,000	40,000,000			2,500,000	2,500,000	3,000,000	3,000,000
Preferred stock, shares outstanding					803,270	803,270
Preferred stock, liquidation preference			8,312	8,312	8,033	8,033	30,000	30,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares outstanding	2,897,539	2,893,241
Noncontrolling interest in consolidated partnership, redemption value	$ 87,000	$ 99,000