Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Current assets
Cash and cash equivalents	$ 126,311	$ 130,394
Short-term investments	1,336us-gaap_ShortTermInvestments	1,457us-gaap_ShortTermInvestments
Accounts receivable (Note 11)	2,198us-gaap_AccountsReceivableNetCurrent	11,999us-gaap_AccountsReceivableNetCurrent
Prepaid expenses and deposits	494	593
Total Current Assets	130,339us-gaap_AssetsCurrent	144,443us-gaap_AssetsCurrent
Loan receivable (Note 4)	1,268us-gaap_LoansReceivableNet	1,075us-gaap_LoansReceivableNet
Furniture and equipment, net (Note 5)	1,894us-gaap_PropertyPlantAndEquipmentNet	2,159us-gaap_PropertyPlantAndEquipmentNet
Patents, net (Note 6)	146,485	150,025
Deferred tax asset (Note 3)	20,585us-gaap_DeferredTaxAssetsNetNoncurrent	26,876us-gaap_DeferredTaxAssetsNetNoncurrent
Goodwill	12,623us-gaap_Goodwill	12,623us-gaap_Goodwill
Total Assets	313,194us-gaap_Assets	337,201us-gaap_Assets
Current liabilities
Accounts payable and accrued liabilities (Note 9)	18,915	25,012
Current portion of patent finance obligations (Note 8)	17,418us-gaap_LongTermDebtCurrent	19,480us-gaap_LongTermDebtCurrent
Total Current Liabilities	36,333us-gaap_LiabilitiesCurrent	44,492us-gaap_LiabilitiesCurrent
Patent finance obligations (Note 8)	27,465us-gaap_LongTermDebtNoncurrent	32,552us-gaap_LongTermDebtNoncurrent
Success fee obligation (Note 9)	3,639wiln_AccountsPayableOtherNoncurrent	7,048wiln_AccountsPayableOtherNoncurrent
Total Liabilities	67,437us-gaap_Liabilities	84,092us-gaap_Liabilities
Commitments and contingencies (Note 12)
Shareholders' equity
Capital stock (Note 10 (c))	426,037us-gaap_CommonStockValue	425,238us-gaap_CommonStockValue
Additional paid-in capital (Note 10 (d))	16,375	14,635
Accumulated other comprehensive income	16,225	16,225
Deficit	(212,880)	(202,989)
Total Stockholders' Equity	245,757us-gaap_StockholdersEquity	253,109us-gaap_StockholdersEquity
Total Liabilities and Stockholders' Equity	$ 313,194	$ 337,201

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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Balance Type:	credit
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