Investment in Leasing Operations: (Details) (USD $)	Dec. 27, 2014	Dec. 28, 2013
Direct financing and sales-type leases:
Minimum lease payments receivable	$ 40,739,900	$ 35,450,900
Estimated residual value of equipment	4,347,100	4,348,800
Unearned lease income net of initial direct costs deferred	(6,061,100)	(4,963,400)
Security deposits	(3,253,200)	(3,325,600)
Equipment installed on leases not yet commenced	8,364,100	6,718,000
Total investment in direct financing and sales-type leases	44,136,800	38,228,700
Allowance for credit losses	(386,000)	(822,700)
Net investment in direct financing and sales-type leases	43,750,800	37,406,000
Operating leases:
Operating lease assets	806,100	1,353,500
Less accumulated depreciation and amortization	(536,400)	(1,218,200)
Net investment in operating leases	269,700	135,300
Total net investment in leasing operations	44,020,500wina_NetInvestmentInLeases	37,541,300wina_NetInvestmentInLeases
Net investment in leases - current	19,831,600wina_NetInvestmentInLeasesCurrent	17,239,900wina_NetInvestmentInLeasesCurrent
Net investment in leases - long-term	$ 24,188,900wina_NetInvestmentInLeasesNoncurrent	$ 20,301,400wina_NetInvestmentInLeasesNoncurrent

Amount of minimum lease payments to be received by the lessor for capital leases.

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The net amount due as of the balance sheet date consisting of: (a) minimum lease payments due on direct financing and sales-type leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) executory costs, (ii) unearned income, and (iii) the accumulated allowance for uncollectible minimum lease payments.

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The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.

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Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease.

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The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

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The lessor's asset under sales type and direct financing leases. The investment in direct financing and sales-type leases, as of the balance sheet date, consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) estimated executory costs, (ii) unearned income, but before deducting the accumulated allowance for uncollectible minimum lease payments.

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The estimate of minimum payments on direct financing and sales-type leases that are probable of not being collected, as of the balance sheet date.

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Represents the net investment in direct financing and sales type leases which have not yet commenced but for which equipment has already been installed, as of the balance sheet date.

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Represents the amount of security deposits received against the direct financing and sales-type leases, as of the balance sheet date.

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The remaining (unamortized) difference between the gross investment in direct financing and sales type leases and the cost or carrying amount, if different, of the leased property, as of the balance sheet date, net of initial direct cost.

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The estimate of the lease property's economic value at the end of the direct financing and sales type lease term excluding any amounts guaranteed by either the lessee or a third-party.

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Represents the net investment in capital and operating leases, as of the balance sheet date.

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Represents the current portion of the net investment in capital and operating leases, as of the balance sheet date.

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Represents the noncurrent portion of the net investment in capital and operating leases, as of the balance sheet date.

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