| Volume | 283,000 |
| Open | 0.0600 |
| Bid (Size) | 0.0550 (40,000) |
| Ask (Size) | 0.0650 (140,000) |
| Prev. Close | 0.0600 |
| Today's Range | 0.0600 - 0.0600 |
| 52wk Range | 0.0600 - 0.3800 |
| Shares Outstanding | N/A |
| Dividend Yield | N/A |
(GRBM) traded between $0.06 and $0.38 over the past 52 weeks and last traded at $0.06, 84.2% below its 52-week high. Over the past week it ranged between $0.06 and $0.07.
GRBM was -55.6% over the past year, -73.9% over six months, -42.9% year to date.
Over the past 12 months GRBM returned -55.6% versus DIA (Dow) +11.9%, SPY (S&P 500) +16.1%, QQQ (Nasdaq 100) +21.1% and IWM (Russell 2000) +11.0%.
GRBM most recently traded 283,000 shares against a 3-month average daily volume of 337.0K.