| June 30, 2026 | March 31, 2026 | ||||||||||
| ASSETS | |||||||||||
| Current assets | |||||||||||
| Cash and cash equivalents | $ | 116,010 | $ | 98,533 | |||||||
| Spectrum receivable | 14,266 | 10,638 | |||||||||
| Broadband licenses held for sale | 13,000 | — | |||||||||
| Escrow deposits | 3,910 | 6,130 | |||||||||
| Prepaid expenses and other current assets | 5,892 | 4,684 | |||||||||
| Total current assets | 153,078 | 119,985 | |||||||||
| Property and equipment, net | 761 | 827 | |||||||||
| Right of use assets, net | 3,757 | 4,069 | |||||||||
| Intangible assets | 310,285 | 310,712 | |||||||||
| Deferred broadband costs | 29,503 | 29,069 | |||||||||
| Other assets | 541 | 548 | |||||||||
| Total assets | $ | 497,925 | $ | 465,210 | |||||||
| LIABILITIES AND STOCKHOLDERS’ EQUITY | |||||||||||
| Current liabilities | |||||||||||
| Accounts payable and other accrued expenses | $ | 11,915 | $ | 15,028 | |||||||
| Accrued severance and other related charges | 1,633 | 2,810 | |||||||||
| Operating lease liabilities | 1,447 | 1,424 | |||||||||
| Contingent liability | 2,220 | 2,220 | |||||||||
| Deferred revenue | 14,331 | 14,513 | |||||||||
| Total current liabilities | 31,546 | 35,995 | |||||||||
| Operating lease liabilities | 2,641 | 2,995 | |||||||||
| Contingent liability | 6,000 | 6,000 | |||||||||
| Deferred revenue | 160,582 | 146,665 | |||||||||
| Deferred gain on sale of intangible assets | 4,911 | 4,911 | |||||||||
| Deferred income tax | 6,451 | 6,323 | |||||||||
| Total liabilities | 212,131 | 202,889 | |||||||||
| Commitments and contingencies (See Note 12) | |||||||||||
| Stockholders’ equity | |||||||||||
Preferred stock, $0.0001 par value per share, 10,000,000 shares authorized and no shares outstanding at June 30, 2026 and March 31, 2026 | — | — | |||||||||
Common stock, $0.0001 par value per share, 100,000,000 shares authorized and 19,550,348 shares issued and outstanding at June 30, 2026 and 18,914,271 shares issued and outstanding at March 31, 2026 | 2 | 2 | |||||||||
| Additional paid-in capital | 587,850 | 564,617 | |||||||||
| Accumulated deficit | (302,058) | (302,298) | |||||||||
| Total stockholders’ equity | 285,794 | 262,321 | |||||||||
| Total liabilities and stockholders’ equity | $ | 497,925 | $ | 465,210 | |||||||
| Three months ended June 30, | |||||||||||
| 2026 | 2025 | ||||||||||
| Spectrum revenue | $ | 1,958 | $ | 1,418 | |||||||
| Operating expenses | |||||||||||
| General and administrative | 9,624 | 10,449 | |||||||||
| Sales and support | 1,911 | 1,493 | |||||||||
| Product development | 1,220 | 1,120 | |||||||||
| Severance and other related charges | — | 620 | |||||||||
| Depreciation and amortization | 101 | 124 | |||||||||
| Operating expenses | 12,856 | 13,806 | |||||||||
| Gain on exchange of intangible assets, net | (10,653) | (33,916) | |||||||||
| Gain on sale of intangible assets, net | — | (961) | |||||||||
| Loss from disposal of long-lived assets, net | 1 | 8 | |||||||||
(Loss) income from operations | (246) | 22,481 | |||||||||
| Interest income | 845 | 442 | |||||||||
| Other income | 15 | — | |||||||||
Income before income taxes | 614 | 22,923 | |||||||||
Income tax expense (benefit) | 374 | (2,257) | |||||||||
Net income | $ | 240 | $ | 25,180 | |||||||
Net income per common share basic | $ | 0.01 | $ | 1.35 | |||||||
Net income per common share diluted | $ | 0.01 | $ | 1.35 | |||||||
| Weighted-average common shares used to compute basic net income per share | 19,085,714 | 18,621,701 | |||||||||
Weighted-average common shares used to compute diluted net income per share | 19,627,512 | 18,704,131 | |||||||||
| Three months ended June 30, | |||||||||||
| 2026 | 2025 | ||||||||||
| CASH FLOWS FROM OPERATING ACTIVITIES | |||||||||||
| Net income | $ | 240 | $ | 25,180 | |||||||
| Adjustments to reconcile net income to net cash provided by (used in) operating activities | |||||||||||
| Depreciation and amortization | 101 | 124 | |||||||||
| Stock compensation expense | 3,282 | 3,632 | |||||||||
| Deferred income taxes | 128 | (2,507) | |||||||||
| Right of use assets | 312 | 113 | |||||||||
| Gain on exchange of intangible assets, net | (10,653) | (33,916) | |||||||||
| Gain on sale of intangible assets, net | — | (961) | |||||||||
| Loss from disposal of long-lived assets, net | 1 | 8 | |||||||||
| Changes in operating assets and liabilities | |||||||||||
| Non-trade receivable | — | 2,926 | |||||||||
| Prepaid expenses and other assets | (1,072) | 377 | |||||||||
| Accounts payable and other accrued expenses | (2,521) | (2,556) | |||||||||
| Accrued severance and other related charges | (1,177) | 95 | |||||||||
| Operating lease liabilities | (331) | (186) | |||||||||
| Contingent liability | — | 1,054 | |||||||||
| Deferred revenue | 13,735 | 3,542 | |||||||||
| Other liabilities | — | (65) | |||||||||
| Net cash provided by (used in) operating activities | 2,045 | (3,140) | |||||||||
| CASH FLOWS FROM INVESTING ACTIVITIES | |||||||||||
| Purchases of intangible assets and other related costs | (6,703) | (3,966) | |||||||||
| Proceeds from sale of spectrum | — | 1,301 | |||||||||
| Purchases of equipment | (36) | — | |||||||||
| Net cash used in investing activities | (6,739) | (2,665) | |||||||||
| CASH FLOWS FROM FINANCING ACTIVITIES | |||||||||||
| Proceeds from stock option exercises | 20,267 | — | |||||||||
| Payments of withholding tax on net issuance of restricted stock | (316) | (642) | |||||||||
| Net cash provided by (used in) financing activities | 19,951 | (642) | |||||||||
| Net change in cash and cash equivalents and restricted cash | 15,257 | (6,447) | |||||||||
| CASH AND CASH EQUIVALENTS AND RESTRICTED CASH | |||||||||||
| Cash and cash equivalents and restricted cash at beginning of the period | 104,663 | 55,024 | |||||||||
| Cash and cash equivalents and restricted cash at end of the period | $ | 119,920 | $ | 48,577 | |||||||
| Three months ended June 30, | |||||||||||
| 2026 | 2025 | ||||||||||
| SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION | |||||||||||
| Cash paid during the period: | |||||||||||
| Taxes paid, including excise tax | $ | 216 | $ | — | |||||||
| Operating leases paid | $ | 419 | $ | 569 | |||||||
| Non-cash investing activity: | |||||||||||
| Capitalized change in estimated asset retirement obligations | $ | — | $ | (14) | |||||||
| Derecognition of contingent liability related to sale of intangible assets | $ | — | $ | 1,172 | |||||||
| Right of use assets new leases | $ | 42 | $ | 321 | |||||||
| Right of use assets modifications and renewals | $ | (5) | $ | 37 | |||||||
| The following tables provide a reconciliation of cash and cash equivalents and restricted cash reported on the Consolidated Balance Sheets that sum to the total of the same such amounts on the Consolidated Statements of Cash Flows: | ||||||||||||||
| June 30, 2026 | March 31, 2026 | |||||||||||||
| Cash and cash equivalents | $ | 116,010 | $ | 98,533 | ||||||||||
| Escrow deposits | 3,910 | 6,130 | ||||||||||||
| Total cash and cash equivalents and restricted cash | $ | 119,920 | $ | 104,663 | ||||||||||
| June 30, 2025 | March 31, 2025 | |||||||||||||
| Cash and cash equivalents | $ | 41,432 | $ | 47,374 | ||||||||||
| Escrow deposits | 7,145 | 7,650 | ||||||||||||
| Total cash and cash equivalents and restricted cash | $ | 48,577 | $ | 55,024 | ||||||||||