| Net cash used in operating activities (Note 12) | |
| Purchase of available for sale investments | |
| Sale of available for sale investments | |
| Proceeds from sale of assets | 898K |
| Capitalized costs and acquisitions of property, plant and equipment | -36K |
| Net cash used in investing activities | |
| Proceeds from issuance of common stock, net of issue costs | 3.6M |
| Net cash provided by financing activities | |
| Net increase (decrease) in cash and cash equivalents | |
| Cash and cash equivalents - beginning of period | 4.08M |
| Cash and cash equivalents - end of period | 3.42M |