| Net loss | -9.49M |
| Stock option compensation expense | 138K |
| Restricted stock and warrant compensation expense | 228K |
| Depreciation expense | 232K |
| Amortization of organization costs | |
| Loss on disposal of furniture and fixtures | |
| Warrant liability fair value adjustment | |
| Non-cash interest income | |
| Decrease (increase) in prepaid expenses and other assets | 610K |
| Increase (decrease) in accounts payable and accrued expenses | 312K |
| Deferred revenue | |
| Net cash used in operating activities | |
| Purchase of property, plant and equipment | -245K |
| Proceeds from sale of equipment | 0 |
| Purchase of short-term investments | |
| Purchase of marketable equity securities | |
| Proceeds from maturities of short-term investments | |
| Organization costs | |
| Net cash used in investing activities | |
| Net proceeds from sale of stock and exercise of stock options and warrants | 704K |
| Repurchases of common stock | |
| Dividends paid on preferred stock | |
| Proceeds from short-term borrowings | |
| Net cash provided by financing activities | |
| (Decrease) increase in cash and cash equivalents | -8.92M |
| Cash and cash equivalents at beginning of period | 12.61M |
| Cash and cash equivalents at end of period | 3.69M |
| Cash paid for interest | |
| Cashless exercise of stock options and shares withheld upon restricted stock vesting | |
| Fair value of warrants issued | |
| Fair value of warrants reclassified from liability to additional paid-in capital upon exercise | |