Shareholders' Equity (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued of common stock (in shares)	0		30,000
Changes in common stock [Roll Forward]
Balance			$ 116,117,000
Balance	110,021,000		110,021,000
Employee Stock Options [Member]
Options [Roll Forward]
Outstanding beginning balance (in shares)			2,259,282
Granted (in shares)	270,000		270,000
Forfeited (in shares)			0
Expired (in shares)			(28,333)
Exercised (in shares)			0
Outstanding ending balance (in shares)	2,500,949		2,500,949
Exercisable (in shares)	2,137,619		2,137,619
Weighted Average Exercise Price [Roll Forward]
Beginning Balance (in dollars per share)			$ 3.80
Granted (in dollars per share)	$ 2.08		$ 2.08
Forfeited (in dollars per share)			$ 0
Expired (in dollars per share)			$ 4.68
Exercised (in dollars per share)			$ 0
Ending Balance (in dollars per share)	$ 3.60		$ 3.60
Exercisable (in dollars per share)	$ 3.85		$ 3.85
Vesting period			3 years
Expiration period			10 years
Risk free interest rate (in hundredths)			1.66%
Expected lives			6 years
Expected volatility (in hundredths)			62.5879%
Weighted Average Remaining Contractual Life - Years			4 years 3 months 4 days
Aggregate intrinsic value of options outstanding	0		0
Share-based compensation expense	44,000	15,000	76,000	17,000
Total unrecognized expense for the option plan	414,000		414,000
Weighted average remaining vesting period			2 years 5 months 23 days
Director Stock Options [Member]
Options [Roll Forward]
Outstanding beginning balance (in shares)			150,000
Granted (in shares)	36,000		36,000
Forfeited (in shares)			0
Expired (in shares)			(40,000)
Exercised (in shares)			0
Outstanding ending balance (in shares)	146,000		146,000
Exercisable (in shares)	56,668		56,668
Weighted Average Exercise Price [Roll Forward]
Beginning Balance (in dollars per share)			$ 3.05
Granted (in dollars per share)	$ 2.08		$ 2.08
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)	$ 2.93		$ 2.93
Exercisable (in dollars per share)	$ 3.46		$ 3.46
Vesting period			3 years
Expiration period			10 years
Risk free interest rate (in hundredths)			1.66%
Expected lives			6 years
Expected volatility (in hundredths)			62.5879%
Weighted Average Remaining Contractual Life - Years			8 years 4 months 6 days
Aggregate intrinsic value of options outstanding	0		0
Share-based compensation expense	16,000	16,000	47,000	53,000
Total unrecognized expense for the option plan	107,000		107,000
Weighted average remaining vesting period			1 year 10 months 20 days
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			76,000
Expense of outside director options vesting			47,000
Balance	$ 123,249,000		$ 123,249,000