Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Operating Revenues:
Operating Revenues	$ 34,624,726	$ 24,190,092	$ 56,403,263	$ 45,470,146
Operating Expenses:
Flight-air cargo	5,122,074	4,618,716	10,301,666	9,404,399
Maintenance-air cargo	5,497,602	6,056,145	10,509,993	12,069,503
Ground equipment sales	13,623,323	6,414,360	17,955,093	10,649,267
Ground support services	3,900,182	3,348,808	7,793,967	6,280,117
General and administrative	3,748,359	2,818,218	6,981,788	5,768,256
Depreciation and amortization	222,631	181,353	439,171	325,654
Gain on sale of equipment held for lease	(86,067)		(273,861)
	32,028,104	23,437,600	53,707,817	44,497,196
Operating Income	2,596,622	752,492	2,695,446	972,950
Non-operating Income (Expense):
Gain (loss) on investment securities available for sale	0		8,410
Other investment income, net		5,519		12,572
Interest expense and other	(12,116)	(901)	(8,553)	(901)
	(12,116)	4,618	(143)	11,671
Income Before Income Taxes	2,584,506	757,110	2,695,303	984,621
Income Taxes	766,200	301,000	804,200	390,000
Net Income	1,818,306	456,110	1,891,103	594,621
Earnings Per Share:
Basic (in Dollars per share)	$ 0.77	$ 0.19	$ 0.80	$ 0.24
Diluted (in Dollars per share)	$ 0.77	$ 0.18	$ 0.80	$ 0.24
Dividends Declared Per Share (in Dollars per share)				$ 0.30
Weighted Average Shares Outstanding:
Basic (in Shares)	2,355,028	2,446,286	2,355,028	2,446,286
Diluted (in Shares)	2,375,398	2,485,246	2,375,660	2,477,047
Overnight Air Cargo [Member]
Operating Revenues:
Operating Revenues	11,971,392	12,121,175	23,652,334	24,529,364
Operating Expenses:
Depreciation and amortization	40,868	42,444	79,041	84,832
Operating Income	277,629	564,969	822,916	1,237,216
Ground Equipment Sales [Member]
Operating Revenues:
Operating Revenues	17,951,181	7,907,333	23,263,114	13,143,896
Operating Expenses:
Depreciation and amortization	132,009	91,594	258,182	147,534
Operating Income	2,924,102	452,702	2,743,904	458,913
Ground Support Services [Member]
Operating Revenues:
Operating Revenues	4,702,153	4,161,584	9,487,815	7,796,886
Operating Expenses:
Depreciation and amortization	42,068	33,856	85,896	66,294
Operating Income	$ 90,699	$ 307,448	$ 312,113	$ 557,615