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The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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-Publisher FASB
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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Note 19 - Revenue Recognition - Disaggregation of Revenues (Details) - USD ($)	3 Months Ended								12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2019	Mar. 31, 2018
Revenues, Total	$ 76,003,000	$ 63,623,000	$ 49,341,000	$ 60,867,000	$ 53,460,000	$ 44,501,000	$ 48,861,000	$ 47,697,000	$ 249,834,478	$ 194,519,345
Overnight Air Cargo [Member]
Leasing Revenue
Revenues, other									153,701
Revenues, Total									72,978,361	72,845,353
Overnight Air Cargo [Member] \| Product [Member]
Revenues									23,043,526
Overnight Air Cargo [Member] \| Service [Member]
Revenues									49,781,134
Ground Equipment Sales [Member]
Leasing Revenue									77,073
Revenues, other									530,695
Revenues, Total									47,152,125	50,004,507
Ground Equipment Sales [Member] \| Product [Member]
Revenues									45,896,643
Ground Equipment Sales [Member] \| Service [Member]
Revenues									647,714
Ground Support Services [Member]
Leasing Revenue
Revenues, other									51,011
Revenues, Total									34,331,784	35,698,171
Ground Support Services [Member] \| Product [Member]
Revenues									9,108,328
Ground Support Services [Member] \| Service [Member]
Revenues									25,172,445
Printing Equipment and Maintenance [Member]
Leasing Revenue
Revenues, other									15,997
Revenues, Total									654,617	6,144,403
Printing Equipment and Maintenance [Member] \| Product [Member]
Revenues									591,565
Printing Equipment and Maintenance [Member] \| Service [Member]
Revenues									47,055
Commercial Jet Engines Inventory [Member]
Leasing Revenue									10,188,727
Revenues, other									365,808
Revenues, Total									93,968,014	29,506,873
Commercial Jet Engines Inventory [Member] \| Product [Member]
Revenues									78,174,197
Commercial Jet Engines Inventory [Member] \| Service [Member]
Revenues									5,239,282
Corporate and Other [Member]
Leasing Revenue									126,480
Revenues, other									534,204
Revenues, Total									749,577	$ 320,038
Corporate and Other [Member] \| Product [Member]
Revenues
Corporate and Other [Member] \| Service [Member]
Revenues									$ 88,893