Note 6 - Pension Benefits (Details) - Components of Net Periodic Benefit Cost (General and Administrative Expense [Member], USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
U.S. Plan [Member]
Note 6 - Pension Benefits (Details) - Components of Net Periodic Benefit Cost [Line Items]
Interest Cost	$ 38,116	$ 41,634
Expected return on plan assets	(38,925)	(38,603)
Net actuarial loss	11,445
Amortizations		23,415
Net periodic benefit cost	10,636	26,446
Canadian Plan [Member]
Note 6 - Pension Benefits (Details) - Components of Net Periodic Benefit Cost [Line Items]
Interest Cost	15,220	12,950
Expected return on plan assets	(16,762)	(17,415)
Net actuarial loss	7,644
Net periodic benefit cost	$ 6,102	$ (4,465)