Condensed Consolidated Statements of Income (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Operating Revenues:
Operating Revenues	$ 29,834,600	$ 26,703,268	$ 75,304,746	$ 72,353,493
Operating Expenses:
Flight-air cargo	5,537,259	5,139,155	14,941,658	14,538,786
Maintenance-air cargo	7,510,131	5,672,376	19,579,634	15,701,258
Ground equipment sales	8,585,518	9,313,331	19,234,785	23,842,551
Ground support services	3,441,110	2,520,219	9,721,227	7,575,169
General and administrative	3,775,264	2,935,399	9,543,520	8,325,090
Depreciation and amortization	214,636	136,246	540,290	379,493
Gain on sale of assets	(24,988)		(24,988)
	29,038,930	25,716,726	73,536,126	70,362,347
Operating Income	795,670	986,542	1,768,620	1,991,146
Non-operating Income (Expense):
Investment income	4,165	3,222	16,737	11,250
Interest expense and Other	(4,938)	(4)	(5,839)	(7,191)
	(773)	3,218	10,898	4,059
Income Before Income Taxes	794,897	989,760	1,779,518	1,995,205
Income Taxes	340,000	357,000	730,000	718,000
Net Income	454,897	632,760	1,049,518	1,277,205
Earnings Per Share:
Basic (in Dollars per share)	$ 0.19	$ 0.26	$ 0.43	$ 0.52
Diluted (in Dollars per share)	$ 0.19	$ 0.26	$ 0.43	$ 0.52
Dividends Declared Per Share (in Dollars per share)			$ 0.30	$ 0.25
Weighted Average Shares Outstanding:
Basic (in Shares)	2,408,198	2,446,286	2,433,544	2,446,286
Diluted (in Shares)	2,441,569	2,447,349	2,458,040	2,450,837
Overnight Air Cargo [Member]
Operating Revenues:
Operating Revenues	14,475,404	12,416,819	39,004,768	35,201,746
Operating Expenses:
Depreciation and amortization	42,478	38,815	127,310	114,705
Operating Income	497,552	707,561	1,734,768	2,326,295
Ground Equipment Sales [Member]
Operating Revenues:
Operating Revenues	11,051,176	10,945,263	24,195,072	27,774,440
Operating Expenses:
Depreciation and amortization	127,191	51,617	274,725	122,546
Operating Income	1,208,623	441,346	1,667,536	582,089
Ground Support Services [Member]
Operating Revenues:
Operating Revenues	4,308,020	3,341,186	12,104,906	9,377,307
Operating Expenses:
Depreciation and amortization	31,929	32,820	98,223	99,737
Operating Income	$ 253,834	$ 407,954	$ 811,449	$ 630,244