They are below their 50% ratio as of June 30, 2015. This is from the latest MD&A published today

"The Company’s debt-to-assets ratio was 45.8% as at June 30, 2015"

Also, more details on their private investments (amounts in CDN$ (000's)

As at June 30, 2015, total investments included securities of private companies with a fair value totalling $18,893 (31% of total fair value of the Company’s investments; cost of $33,538). As at December 31, 2014, total investments included securities of private companies with a fair value totalling $19,944 (19% of total fair value of the Company’s investments; cost of $36,245). The fair value of the private company securities decreased by $1,051 mainly due to securities dispositions for cash proceeds of $971. The fair value was determined in accordance with the Company’s accounting policy for private company investments. The amounts at which the Company’s private company investments could be disposed of currently may differ from their carrying values since there is no active market to dispose of these investments.