Income Per Common Share - Reconciliation of the number of shares used in the calculation of basic income per share and diluted income per share (Details) (USD $)	3 Months Ended				9 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Notes To Financial Statements (Details)
Net income (loss)	$ (39,580)	$ 763	$ (63,217)	$ 50,961	$ (102,034)	$ 234,618
Weighted average common shares outstanding - basic	2,036,938			2,026,011	2,036,277	2,028,626
Effect of the assumed exercise of dilutive stock options				5,442		9,368
Weighted average common shares outstanding - dilutive	2,036,938			2,031,453	2,036,277	2,037,994
(Loss) earnings per common share: Basic	$ (0.02)			$ 0.03	$ (0.05)	$ 0.12
(Loss) earnings per common share: Diluted	$ (0.02)			$ 0.03	$ (0.05)	$ 0.12