Pension Benefits (Tables)

6 Months Ended

Jun. 30, 2012

Pension Benefits [Abstract]

Components of net periodic benefit cost

	Six Months Ended June 30,
	Pension Benefits
	U.S. Plan						Canadian Plan
	2012			2011			2012			2011
Service cost	$	10,500		$	10,550		$	—		$	—
Interest cost		85,000			86,100			37,840			38,883
Expected return on plan assets		(80,500	)		(71,050	)		(41,525	)		(42,670	)
Net actuarial loss		—			—			6,871			7,061
Amortization		47,000			25,650			—			—
Net periodic benefit cost	$	62,000		$	51,250		$	3,186		$	3,274

	Three Months Ended June 30,
	Pension Benefits
	U.S. Plan						Canadian Plan
	2012			2011			2012			2011
Service cost	$	5,250		$	5,275		$	—		$	—
Interest cost		42,500			43,050			18,884			19,625
Expected return on plan assets		(40,250	)		(35,525	)		(20,723	)		(21,536	)
Net actuarial loss		—			—			3,429			3,564
Amortization		23,500			12,825			—			—
Net periodic benefit cost	$	31,000		$	25,625		$	1,590		$	1,653

Fair value hierarchy of plan assets

		June 30, 2012
		US Plan		Canadian Plan
Cash and cash equivalents	Level 1	$	213,280	$	65,469
Mutual funds	Level 1		257,961		1,190,800
Corporate/Government Bonds	Level 1		712,292		—
Equities	Level 1		1,033,920		—
Total		$	2,217,453	$	1,256,269