Shareholders' Equity (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued of common stock (in shares)	15,000		30,000
Changes in common stock [Roll Forward]
Balance			$ 116,117,000
Balance	110,803,000		110,803,000
Employee Stock Options [Member]
Options [Roll Forward]
Outstanding beginning balance (in shares)			2,259,282
Granted (in shares)			0
Forfeited (in shares)			0
Expired (in shares)			0
Exercised (in shares)			0
Outstanding ending balance (in shares)	2,259,282		2,259,282
Exercisable (in shares)	2,119,282		2,119,282
Weighted Average Exercise Price [Roll Forward]
Beginning Balance (in dollars per share)			$ 3.80
Granted (in dollars per share)			$ 0
Forfeited (in dollars per share)			$ 0
Expired (in dollars per share)			$ 0
Exercised (in dollars per share)			$ 0
Ending Balance (in dollars per share)	$ 3.80		$ 3.80
Exercisable (in dollars per share)	$ 3.90		$ 3.90
Weighted Average Remaining Contractual Life - Years			3 years 9 months 18 days
Aggregate intrinsic value of options outstanding	0		0
Share-based compensation expense	16,000	2,000	32,000	2,000
Total unrecognized expense for the option plan	132,000		132,000
Director Stock Options [Member]
Options [Roll Forward]
Outstanding beginning balance (in shares)			150,000
Granted (in shares)			0
Forfeited (in shares)			0
Expired (in shares)			(40,000)
Exercised (in shares)			0
Outstanding ending balance (in shares)	110,000		110,000
Exercisable (in shares)	53,334		53,334
Weighted Average Exercise Price [Roll Forward]
Beginning Balance (in dollars per share)			$ 3.05
Granted (in dollars per share)			$ 0
Forfeited (in dollars per share)			$ 0
Expired (in dollars per share)			$ 2.60
Exercised (in dollars per share)			$ 0
Ending Balance (in dollars per share)	$ 3.21		$ 3.21
Exercisable (in dollars per share)	$ 3.53		$ 3.53
Weighted Average Remaining Contractual Life - Years			8 years 1 month 20 days
Aggregate intrinsic value of options outstanding	0		0
Share-based compensation expense	16,000	15,000	31,000	37,000
Total unrecognized expense for the option plan	81,000		81,000
Common Stock [Member]
Changes in common stock [Roll Forward]
Balance			277,000
Balance (in shares)			27,652,602
2001 stock compensation plan			0
2001 stock compensation plan (in shares)			30,000
Expense of employee options vesting			0
Expense of outside director options vesting			0
Balance	277,000		277,000
Balance (in shares)	27,682,602		27,682,602
Additional Paid-In Capital [Member]
Changes in common stock [Roll Forward]
Balance			123,078,000
2001 stock compensation plan			48,000
Expense of employee options vesting			32,000
Expense of outside director options vesting			31,000
Balance	$ 123,189,000		$ 123,189,000