Note 9 - Income Taxes (Details) - Deferred Tax Assets and Liabilities (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred tax liabilities:
Property, plant and equipment	$ (137,830)	$ (192,136)
Prepaid expenses and other	(4,599)	(4,599)
Total deferred tax liabilities	(142,429)	(196,735)
Deferred tax assets:
Operating loss carryforwards	1,975,282	1,209,966
Postretirement benefits	21,360	22,047
Pension costs	401,428	691,824
Allowance for doubtful accounts	58,717	52,385
Other assets	3,431	5,719
Accrued expenses	139,654	171,444
Other employee benefits	22,763	16,009
Inventory costs	119,846	85,742
Total deferred tax assets	2,742,481	2,255,136
Net	2,600,000	2,058,000
Valuation allowance	(2,600,000)	(1,143,000)
Deferred Tax Assets, Net		915,768
Current deferred tax asset		287,417
Long-term deferred tax asset		$ 628,351