Condensed Consolidated Statements of Income (Unaudited) (USD $)	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Operating Revenues:
Overnight air cargo	$ 48,344,211	$ 42,335,364
Ground equipment sales	32,089,800	32,808,927
Ground support services	8,948,120	8,217,641
	89,382,131	83,361,932
Operating Expenses:
Flight-air cargo	19,874,129	18,406,739
Maintenance-air cargo	21,594,570	17,624,724
Ground equipment sales	28,156,866	27,004,427
Ground support services	6,091,993	6,035,683
General and administrative	11,335,044	10,589,408
Depreciation and amortization	278,357	365,912
Gain on sale of assets	(22,368)	(103,412)
	87,308,591	79,923,481
Operating Income	2,073,540	3,438,451
Non-operating Income (Expense):
Investment income	34,333	131,851
Interest expense	(11,649)	(1,400)
	22,684	130,451
Income Before Income Taxes	2,096,224	3,568,902
Income Taxes	746,000	1,431,000
Net Income	$ 1,350,224	$ 2,137,902
Earnings Per Share:
Basic (in Dollars per share)	$ 0.55	$ 0.88
Diluted (in Dollars per share)	$ 0.55	$ 0.87
Dividends Declared Per Share (in Dollars per share)	$ 0.25	$ 0.33
Weighted Average Shares Outstanding:
Basic (in Shares)	2,443,786	2,431,297
Diluted (in Shares)	2,451,209	2,464,354