Long-Term Debt (Detail) (USD $)	6 Months Ended		6 Months Ended						6 Months Ended
	Jun. 30, 2012	Jun. 17, 2011	Jun. 30, 2012 Maximum [Member]	Jun. 30, 2012 Minimum [Member]	Jun. 30, 2012 8¼% Limited convertible senior subordinated notes due 2012 [Member]	Mar. 31, 2012 8¼% Limited convertible senior subordinated notes due 2012 [Member]	Jun. 30, 2011 8¼% Limited convertible senior subordinated notes due 2012 [Member]	Oct. 31, 2011 8¼% Limited convertible senior subordinated notes due 2012 [Member]	Jun. 30, 2012 9½% Subordinated debentures due 2012 [Member]	Jun. 30, 2012 Existing Mortgage Rifinancing [Member]	Jun. 30, 2012 Mortgage On Real Estate Rental Propertly [Member]	Jun. 30, 2012 Revolving Credit Facility [Member]
Convertible Notes Payable					$ 1,100,000			$ 1,200,000	$ 300,000
Debt Instrument, Periodic Payment, Interest						1,400,000	417,800		50,200
Line of Credit Facility, Commitment Fee Percentage	0.25%					25.00%			25.00%
Debt Instrument Amount Paid					225				100
Debt Instrument, Convertible, Number of Equity Instruments					250
Debt Instrument Convertible Value Exchanged					1,000				1,000
Debt Instrument Convertible Principal Amount Converted	57,000				9,000,000				700,000
Debt Instrument, Sinking Fund Payment									105,700
Long-term Debt	600,000								300,000
Debt Instrument, Debt Default, Amount									5,000
Line of Credit Facility, Maximum Amount Outstanding During Period	1,000,000											1,000,000
Line of Credit Facility, Interest Rate at Period End	5.25%
Line of Credit Facility, Decrease, Repayments	3,000,000
Line of Credit Facility, Amount Outstanding	1,000,000
Line of Credit Facility, Remaining Borrowing Capacity	400,000
Debt Instrument, Convertible, Conversion Ratio			1.75	1.00
Payments for Repurchase of Private Placement	6,500,000
Repayments of Lines of Credit	5,700,000
Proceeds from Subscription Agreement for Private Placement		650,000
Secured Demand Notes		0.0400
Shares, Issued (in Shares)		1,000,000
Common Stock Exercise Price		0.10
Mortgage Loans on Real Estate										540,000	1,700,000
Mortgage Loans on Real Estate, Interest Rate										6.50%	6.75%
Compensating Balance, Amount										$ 200,000