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Guarantor and Non-Guarantor Financial Statements - Balance Sheet (Details) - USD ($) | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2016
--- | --- | --- | --- | ---
Current assets |  |  |  |
Cash | $ 6,883,000 | $ 6,149,000 | $ 5,705,000 | $ 11,231,000
Restricted cash | 331,000 | 331,000 |  |
Accounts receivable, net of allowances of $841 and $597, respectively | 32,494,000 | 16,554,000 |  |
Deposits | 155,000 | 121,000 |  |
Prepaid expenses and other current assets | 551,000 | 510,000 |  |
Total current assets | 40,414,000 | 23,665,000 |  |
Property and equipment, net | 2,693,000 | 2,377,000 |  |
Deferred tax assets | 593,000 | 352,000 |  |
Intangible assets, net | 2,844,000 | 4,565,000 |  |
Goodwill | 76,621,000 | 76,621,000 |  |
TOTAL ASSETS | 123,165,000 | 107,580,000 |  |
Intercompany payable/receivable, net | 0 | 0 |  |
Current liabilities |  |  |  |
Accounts payable | 28,404,000 | 19,868,000 |  |
Accrued license fees and revenue share | 12,857,000 | 8,529,000 |  |
Accrued compensation | 3,456,000 | 1,073,000 |  |
Short-term debt, net of debt issuance costs of $247 and $0, respectively | 1,653,000 |  |  |
Other current liabilities | 1,844,000 | 1,304,000 |  |
Total current liabilities | 48,214,000 | 30,774,000 |  |
Long-term debt | 5,751,000 | 9,685,000 |  |
Other non-current liabilities | 51,000 | 782,000 |  |
Total liabilities | 63,514,000 | 45,535,000 |  |
Preferred stock | 100,000 | 100,000 |  |
Common stock | 10,000 | 8,000 |  |
Additional paid-in capital | 311,621,000 | 299,580,000 |  |
Treasury stock (754,599 shares at December 31, 2017 and March 31, 2017) | (71,000) | (71,000) |  |
Accumulated other comprehensive loss | (326,000) | (321,000) |  |
Accumulated deficit | (251,683,000) | (237,251,000) |  |
Total stockholders' equity | 59,651,000 | 62,045,000 |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 123,165,000 | 107,580,000 |  |
Accounts receivable, allowances | 841,000 | 597,000 |  |
Debt issuance costs | 247,000 | 0 |  |
Long-term debt, discounts | $ 2,881,000 | $ 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 usd per share) | $ 0.0001 | $ 0.0001 |  |
Common stock, shares authorized | 200,000,000 | 200,000,000 |  |
Common stock, shares issued | 74,079,153 | 67,329,262 |  |
Common stock, shares outstanding | 73,344,697 | 66,594,807 |  |
Treasury stock, shares | 754,599 | 754,599 |  |
Convertible note embedded derivative liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | $ 5,896,000 | $ 3,218,000 |  |
Warrant liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | 3,602,000 | 1,076,000 |  |
Parent | Reportable Legal Entities |  |  |  |
Current assets |  |  |  |
Cash | 176,000 | 258,000 | 1,477,000 | 6,712,000
Restricted cash | 156,000 | 156,000 |  |
Accounts receivable, net of allowances of $841 and $597, respectively | 0 | 0 |  |
Deposits | 34,000 | 0 |  |
Prepaid expenses and other current assets | 299,000 | 282,000 |  |
Total current assets | 665,000 | 696,000 |  |
Property and equipment, net | 64,000 | 64,000 |  |
Deferred tax assets | 593,000 | 352,000 |  |
Intangible assets, net | 1,000 | 0 |  |
Goodwill | 0 | 0 |  |
TOTAL ASSETS | 1,323,000 | 1,112,000 |  |
Intercompany payable/receivable, net | 120,223,000 | 123,800,000 |  |
Current liabilities |  |  |  |
Accounts payable | 791,000 | 1,023,000 |  |
Accrued license fees and revenue share | 0 | 0 |  |
Accrued compensation | 2,057,000 | 32,000 |  |
Short-term debt, net of debt issuance costs of $247 and $0, respectively | 1,653,000 |  |  |
Other current liabilities | 1,002,000 | 794,000 |  |
Total current liabilities | 5,503,000 | 1,849,000 |  |
Long-term debt | 5,751,000 | 9,685,000 |  |
Other non-current liabilities | 0 | 695,000 |  |
Total liabilities | 20,752,000 | 16,523,000 |  |
Preferred stock | 100,000 | 100,000 |  |
Common stock | 10,000 | 8,000 |  |
Additional paid-in capital | 311,621,000 | 299,580,000 |  |
Treasury stock (754,599 shares at December 31, 2017 and March 31, 2017) | (71,000) | (71,000) |  |
Accumulated other comprehensive loss | (18,000) | 0 |  |
Accumulated deficit | (210,848,000) | (191,228,000) |  |
Total stockholders' equity | 100,794,000 | 108,389,000 |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 121,546,000 | 124,912,000 |  |
Parent | Reportable Legal Entities | Convertible note embedded derivative liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | 5,896,000 | 3,218,000 |  |
Parent | Reportable Legal Entities | Warrant liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | 3,602,000 | 1,076,000 |  |
Guarantor Subsidiaries | Reportable Legal Entities |  |  |  |
Current assets |  |  |  |
Cash | 6,094,000 | 5,333,000 | 4,136,000 | 4,466,000
Restricted cash | 175,000 | 175,000 |  |
Accounts receivable, net of allowances of $841 and $597, respectively | 31,857,000 | 15,740,000 |  |
Deposits | 117,000 | 121,000 |  |
Prepaid expenses and other current assets | 239,000 | 226,000 |  |
Total current assets | 38,482,000 | 21,595,000 |  |
Property and equipment, net | 2,614,000 | 2,296,000 |  |
Deferred tax assets |  | 0 |  |
Intangible assets, net | 1,565,000 | 2,647,000 |  |
Goodwill | 70,377,000 | 70,377,000 |  |
TOTAL ASSETS | 113,038,000 | 96,915,000 |  |
Intercompany payable/receivable, net | (104,874,000) | (107,348,000) |  |
Current liabilities |  |  |  |
Accounts payable | 27,307,000 | 18,697,000 |  |
Accrued license fees and revenue share | 12,369,000 | 8,312,000 |  |
Accrued compensation | 1,393,000 | 1,041,000 |  |
Short-term debt, net of debt issuance costs of $247 and $0, respectively | 0 |  |  |
Other current liabilities | (516,000) | 510,000 |  |
Total current liabilities | 40,553,000 | 28,560,000 |  |
Long-term debt | 0 | 0 |  |
Other non-current liabilities | 51,000 | 87,000 |  |
Total liabilities | 40,604,000 | 28,647,000 |  |
Preferred stock | 0 | 0 |  |
Common stock | 0 | 0 |  |
Additional paid-in capital | 0 | 0 |  |
Treasury stock (754,599 shares at December 31, 2017 and March 31, 2017) | 0 | 0 |  |
Accumulated other comprehensive loss | (1,443,000) | (1,704,000) |  |
Accumulated deficit | (30,997,000) | (37,376,000) |  |
Total stockholders' equity | (32,440,000) | (39,080,000) |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | 8,164,000 | (10,433,000) |  |
Guarantor Subsidiaries | Reportable Legal Entities | Convertible note embedded derivative liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | 0 | 0 |  |
Guarantor Subsidiaries | Reportable Legal Entities | Warrant liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | 0 | 0 |  |
Non-Guarantor Subsidiaries | Reportable Legal Entities |  |  |  |
Current assets |  |  |  |
Cash | 613,000 | 558,000 | $ 92,000 | $ 53,000
Restricted cash | 0 | 0 |  |
Accounts receivable, net of allowances of $841 and $597, respectively | 637,000 | 814,000 |  |
Deposits | 4,000 | 0 |  |
Prepaid expenses and other current assets | 13,000 | 2,000 |  |
Total current assets | 1,267,000 | 1,374,000 |  |
Property and equipment, net | 15,000 | 17,000 |  |
Deferred tax assets |  | 0 |  |
Intangible assets, net | 1,278,000 | 1,918,000 |  |
Goodwill | 6,244,000 | 6,244,000 |  |
TOTAL ASSETS | 8,804,000 | 9,553,000 |  |
Intercompany payable/receivable, net | (15,349,000) | (16,452,000) |  |
Current liabilities |  |  |  |
Accounts payable | 306,000 | 148,000 |  |
Accrued license fees and revenue share | 488,000 | 217,000 |  |
Accrued compensation | 6,000 | 0 |  |
Short-term debt, net of debt issuance costs of $247 and $0, respectively | 0 |  |  |
Other current liabilities | 1,358,000 | 0 |  |
Total current liabilities | 2,158,000 | 365,000 |  |
Long-term debt | 0 | 0 |  |
Other non-current liabilities | 0 | 0 |  |
Total liabilities | 2,158,000 | 365,000 |  |
Preferred stock | 0 | 0 |  |
Common stock | 0 | 0 |  |
Additional paid-in capital | 0 | 0 |  |
Treasury stock (754,599 shares at December 31, 2017 and March 31, 2017) | 0 | 0 |  |
Accumulated other comprehensive loss | 1,135,000 | 1,383,000 |  |
Accumulated deficit | (9,838,000) | (8,647,000) |  |
Total stockholders' equity | (8,703,000) | (7,264,000) |  |
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY | (6,545,000) | (6,899,000) |  |
Non-Guarantor Subsidiaries | Reportable Legal Entities | Convertible note embedded derivative liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | 0 | 0 |  |
Non-Guarantor Subsidiaries | Reportable Legal Entities | Warrant liability |  |  |  |
Current liabilities |  |  |  |
Derivative liability | $ 0 | $ 0 |  |

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