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Schedule of Supplemental Balance Sheet Information Related to Leases Non-recourse loan Non-Recourse Debt Effective income tax rate reconciliation, at federal statutory income tax rate, percent Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Stockholders' Equity Stockholders' Equity Attributable to Parent [Abstract] Founder Note [Member] Founder Note [Member] Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price Weighted-Average Grant Date Fair Value, Unvested beginning Balance Weighted-Average Grant Date Fair Value, Unvested Ending Balance Purchase of accrued property and equipment. Purchases of property and equipment in accounts payable Property plant and equipment useful life, description Property Plant and Equipment Useful Lifes Description. 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Nonoperating Income (Expense) [Abstract] Document Registration Statement Cash equivalents short-term investments Short-term Investments, Total Short-term Investments Sale of Class A common stock Sale of Stock, Number of Shares Issued in Transaction Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Total Cash and Cash Equivalents, at Carrying Value cash and cash equivalents Recently Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Title of Individual [Domain] Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Income taxes, net Income Taxes Paid, Net Long-term Debt Long-term Debt, Total Subsequent Events Subsequent Events [Text Block] Nature of operations description Nature of operations description. Nature of Operations Description Fair Value Adjustment of Warrants Gain on Fair Value Adjustment of Warrants Gain on Fair Value Adjustment of Warrants. Antidilutive Securities, Name [Domain] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Total other non-current assets Other Assets, Noncurrent Employee stock options Employee Stock [Member] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Cisernos Media [Member] Cisernos Media [Member] Entity Primary SIC Number Phased Array Test Facility Member Phased Array Test Facility [Member] Phased Array Test Facility [Member] Sale of Stock [Axis] Annual maintenance fee payable Maintenance Fee Payable. Schedule of Share-Based Compensation Expense Share-based Payment Arrangement, Cost by Plan [Table Text Block] Fair Value Measurement Fair Value Disclosures [Text Block]