Consolidated Balance Sheets (Parenthetical) - USD ($) |
Sep. 30, 2017 |
Mar. 31, 2017 |
|---|---|---|
| Statement of Financial Position [Abstract] | ||
| Accounts receivable, allowances | $ 832,000 | $ 597,000 |
| Debt issuance costs | 290,000 | 0 |
| Long-term debt, discounts | $ 3,491,000 | $ 6,315,000 |
| Series A convertible preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Series A convertible preferred stock, shares authorized | 2,000,000 | 2,000,000 |
| Series A convertible preferred stock, shares issued | 100,000 | 100,000 |
| Series A convertible preferred stock, shares outstanding | 100,000 | 100,000 |
| Series A convertible preferred stock, liquidation preference | $ 1,000,000 | $ 1,000,000 |
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares authorized | 200,000,000 | 200,000,000 |
| Common stock, shares issued | 72,396,491 | 67,329,262 |
| Common stock, shares outstanding | 71,662,035 | 66,594,807 |
| Treasury stock, shares | 754,599 | 754,599 |