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Commitments and Contingencies | 12 Months Ended
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Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract] |
Commitments and Contingencies | Note 12. Commitments and Contingencies Bonds Payable We entered into direct financing transactions with the State of Rhode Island and received proceeds from the issuance of industrial revenue bonds totaling $5,000,000 to finance the construction of Rhode Island’s pilot manufacturing facility. The related lease agreements are structured such that lease payments fully fund all semiannual interest payments and annual principal payments through maturity in August 2014. Interest rate for the remaining bond series is 9.5%. The outstanding principal was approximately $125,000 at December 31, 2013 and $331,000 at December 31, 2012. The bonds contain certain restrictive covenants which limit, among other things, the payment of cash dividends and the sale of the related assets. Operating leases We lease various real properties under operating leases that generally require us to pay taxes, insurance, maintenance, and minimum lease payments. Some of our leases have options to renew. Operating Leases — California In September 2010, we entered into a two-year sublease agreement with Caliper Life Sciences, Inc., for office and research space in a facility located in Mountain View, California. In June 2012, the sublease term was extended to and expired on September 30, 2013. We paid approximately $1,081,000 in aggregate as rent over the term of the lease. In December 2010, we entered into a commercial lease agreement with BMR-Gateway Boulevard LLC (BMR), as landlord, for office and research space at BMR’s Pacific Research Center in Newark, California. The initial term of the lease is approximately eleven and one-half years and includes escalating rent payments which we recognize as lease operating expense on a straight-line basis. We will pay approximately $17,869,000 in aggregate as rent over the term of the lease to BMR. Deferred rent for this facility was approximately $1,434,000 as of December 31, 2013, and approximately $1,389,000 as of December 31, 2012. In March 2013, we entered into a commercial lease agreement with Prologis, L.P. (Prologis), as landlord, for office and research space in Sunnyvale, California. The facility is for operations that support our clinical development activities. The initial term of the lease is ten years and includes escalating rent payments which we recognize as lease operating expense on a straight-line basis. We will pay approximately $3,497,000 in aggregate rent over the term of the lease. As part of the lease, Prologis has agreed to provide us financial allowances to build initial tenant improvements, subject to customary terms and conditions relating to landlord-funded tenant improvements. The tenant improvements are recorded as leasehold improvement assets and amortized over the term of the lease. The financial allowances are treated as a lease incentive and recorded as deferred rent which is amortized as reductions to lease expense over the lease term. Deferred rent for this facility was approximately $391,000 as of December 31, 2013. Operating Leases — Rhode Island We entered into a fifteen-year lease agreement for a scientific and administrative facility (SAF) in Rhode Island in connection with a sale and leaseback arrangement in 1997. The lease term expired on June 30, 2013. For the year 2013, we paid approximately $1,165,000 in operating lease payments and operating expenses net of sub-tenant income. Operating Leases — United Kingdom In January 2011, we amended the existing lease agreements of our wholly-owned subsidiary, Stem Cell Sciences (U.K.) Ltd, effectively reducing our leased office and lab space. The lease by its terms was extended to September 30, 2013. In October 2013, we signed a new three-year lease agreement for the leased space and expect to pay rent of approximately GBP 53,000 per annum. StemCells, Inc. is the guarantor of Stem Cell Sciences (U.K.) Ltd’s obligations under the existing lease. The lease includes an option for early termination of the lease agreement. With the exception of the operating leases discussed above, we have not entered into any significant off balance sheet financial arrangements and have not established any special purpose entities. We have not guaranteed any debts or commitments of other entities or entered into any options on non-financial assets. The table below summarizes the components of rent expense for the fiscal year ended December 31, as follows:
|  | 2013 |  |  | 2012 |  |  | 2011 |
Rent expense |  | $ | 2,612,899 |  |  | $ | 2,932,104 |  |  | $ | 4,193,433 |
Sublease income |  |  | (53,726 | ) |  |  | (411,885 | ) |  |  | (424,847 | )
Rent expense, net |  | $ | 2,559,173 |  |  | $ | 2,520,219 |  |  | $ | 3,768,586 |
Future minimum payments under all leases, bond payable and loan payable at December 31, 2013 are as follows:
|  | Bonds Payable |  |  | Loan(1) Payable |  |  | Capital Leases |  |  | Operating Leases |
2014 |  | $ | 136,852 |  |  | $ | 4,322,035 |  |  | $ | 24,284 |  |  | $ | 1,917,423 |
2015 |  |  | — |  |  |  | 4,322,035 |  |  |  | 21,591 |  |  |  | 1,912,217 |
2016 |  |  | — |  |  |  | 1,440,678 |  |  |  | 9,454 |  |  |  | 1,968,459 |
2017 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,014,706 |
2018 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 2,061,260 |
Thereafter |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 8,196,910 |
Total minimum lease payments |  |  | 136,852 |  |  |  | 10,084,748 |  |  |  | 55,329 |  |  | $ | 18,070,975 |
Less amounts representing interest |  |  | 11,852 |  |  |  | 704,963 |  |  |  | 4,591 |  |  |  |  |
Principal amounts of bond payable, loan payable and capital lease obligations |  |  | 125,000 |  |  |  | 9,379,785 |  |  |  | 50,738 |  |  |  |  |
Less current maturities |  |  | 125,000 |  |  |  | 3,857,971 |  |  |  | 20,936 |  |  |  |  |
Bond payable, loan payable and capital lease obligations, less current maturities |  | $ | — |  |  | $ | 5,521,814 |  |  | $ | 29,802 |  |  |  |  |
(1) | Approximately $3.8 million received as initial disbursement of the loan provided under the CIRM Loan Agreement is not included. In April 2013, we entered into an agreement with CIRM under which CIRM will provide up to approximately $19.3 million to help fund preclinical development and IND-enabling activities of our HuCNS-SC cells for Alzheimer’s disease. The funding is in the form of a forgivable loan, in accordance with mutually agreed upon terms and conditions and CIRM regulations, and is expected to be disbursed periodically by CIRM over the four-year project period subject to a number of preconditions, including the achievement of certain progress milestones and compliance with certain financial covenants. The loan is unsecured and the term of the loan is ten years and may be extended under certain circumstances.
Contingencies In July 2006, we filed suit against Neuralstem, Inc. in the Federal District Court for the District of Maryland, alleging that Neuralstem’s activities violate claims in four of the patents we exclusively licensed from NeuroSpheres Holdings Ltd. and NeuroSpheres Ltd. (NeuroSpheres), specifically U.S. Patent No. 6,294,346 (claiming the use of human neural stem cells for drug screening), U.S. Patent No. 7,101,709 (claiming the use of human neural stem cells for screening biological agents), U.S. Patent No. 5,851,832 (claiming methods for proliferating human neural stem cells), and U.S. Patent No. 6,497,872 (claiming methods for transplanting human neural stem cells). In May 2008, we filed a second patent infringement suit against Neuralstem and its two founders, Karl Johe and Richard Garr. In this suit, which we filed in the Federal District Court for the Northern District of California, we allege that Neuralstem’s activities infringe claims in two patents we exclusively license from NeuroSpheres, specifically U.S. Patent No. 7,361,505 (claiming composition of matter of human neural stem cells derived from any source material) and U.S. Patent No. 7,115,418 (claiming methods for proliferating human neural stem cells). In addition, we allege various state law causes of action against Neuralstem arising out of its repeated derogatory statements to the public about our patent portfolio. Also in May 2008, Neuralstem filed suit against us and NeuroSpheres in the Federal District Court for the District of Maryland seeking a declaratory judgment that the ‘505 and ‘418 patents are either invalid or are not infringed by Neuralstem and that Neuralstem has not violated California state law. In August 2008, the California court transferred our lawsuit against Neuralstem to Maryland for resolution on the merits. In July 2009, the Maryland District Court granted our motion to consolidate these two cases with the litigation we initiated against Neuralstem in 2006. Discovery is ongoing in these cases. In addition to the actions described above, in April 2008, we filed an opposition to Neuralstem’s European Patent No. 0 915 968 (methods of isolating, propagating and differentiating CNS stem cells), because the claimed invention is believed by us to be unpatentable over prior art, including the patents exclusively licensed by us from NeuroSpheres. In December 2010, the European Patent Office ruled that all composition claims in Neuralstem’s ‘968 European patent were invalid and unpatentable over prior art including several of the NeuroSpheres patents licensed to us. Neuralstem has appealed this decision. In October, 2013, we acquired from NeuroSpheres a patent portfolio consisting of the patents we licensed from NeuroSpheres on an exclusive worldwide basis, including the six patents that are the subject of our patent infringement litigation against Neuralstem. As consideration for the patents, we issued 139,548 shares of unregistered common stock to NeuroSpheres. In connection with the patent acquisition, all preexisting agreements were terminated. The acquisition relieves us from further milestone and royalty payments to NeuroSpheres.

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