Accounts payable and accrued liabilities as of June 30, 2013 and 2012, are as follows:
| 2013 | 2012 | |
| Payable to vendors and contractors | $ 63,548 | $ 1,745,138 |
| Accrued sick leave liability | 500,000 | 500,000 |
| Accrued salaries and other liabilities | 2,727,466 | 2,036,774 |
| $ 3,291,014 | $ 4,281,912 |
Unearned revenue consists of the following as of June 30, 2013 and 2012:
2013 2012
Unearned summer school tuition and fees $ 390,665 $ 605,875
Unearned grants and contracts 889,413 1,605,459
$ 1,280,078 $ 2,211,334
Long-term liabilities as of June 30, 2013, are summarized as follows:
| Beginning Balance | Additions | Reductions | Ending Balance | Current Portion | Noncurrent portion | |
|---|---|---|---|---|---|---|
| General receipts bonds | $ 4,165,000 | $ - | $ 375,000 | $ 3,790,000 | $ 385,000 | $ 3,405,000 |
| Note payable - City of Frankfort | - | 500,000 | 200,000 | 300,000 | 50,000 | 250,000 |
| Capital lease obligations-energy savings | 4,565,078 | - | 425,465 | 4,139,613 | 443,913 | 3,695,700 |
| Bond discount and issuance costs | (57,460) | - | (3,831) | (53,629) | (3,831) | (49,798) |
| Total bonds payable and capital lease obligations | 8,672,618 | 500,000 | 996,634 | 8,175,984 | 875,082 | 7,300,902 |
| Federal grants refundable | 991,709 | - | - | 991,709 | - | 991,709 |
| Total long-term liabilities | $ 9,664,327 | $ 500,000 | $ 996,634 | $ 9,167,693 | $ 875,082 | $ 8,292,611 |