Incentive Plans (Details) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Stock option [Roll Forward]
Outstanding at beginning of period (in shares)	816,000
Expired (in shares)	(136,000)
Outstanding at end of period (in shares)	680,000
Exercisable at end of period (in shares)	680,000
Weighted Average Exercise Price [Roll Forward]
Weighted average exercise price outstanding at beginning of period (in dollars per share)	$ 0.88
Weighted average exercise price, expired (in dollars per share)	$ 1.09
Weighted average exercise price, outstanding at end of period (in dollars per share)	$ 0.84
Weighted average exercise price, exercisable at end of period (in dollars per share)	$ 0.84
Options additional Disclosures [Abstract]
Weighted average remaining contractual life, outstanding, at end of period	1 year 10 months 21 days
Weighted average remaining contractual life, exercisable, at end of period	1 year 10 months 21 days
Intrinsic value, outstanding at end of period	$ 708,000
Intrinsic value, exercisable at end of period	708,000
Unamortized compensation cost related to non-vested stock options	0	0
Stock based compensation expense recorded for the year to date period	$ 0	$ 0
Options to purchase shares of common stock which were excluded from computation of diluted earnings per share due to the effect of being anti-dilutive in the computation of earnings per share (in shares)	680,000	816,000
Common shares reserved for issuance (in shares)	5,000,000
Shares available for future stock option grants	4,320,000