Note C - Summary of Significant Accounting Policies (Details Textual) |
1 Months Ended | 12 Months Ended | |
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Sep. 30, 2018 |
Dec. 31, 2018
USD ($)
shares
|
Dec. 31, 2017
USD ($)
shares
|
|
Number of Operating Segments | 2 | ||
Allowance for Doubtful Accounts Receivable, Ending Balance | $ 10,000 | $ 10,000 | |
Inventory Valuation Reserves, Ending Balance | $ 763,000 | $ 220,000 | |
Options and Warrants [Member] | |||
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount | shares | 3,203,553 | 3,710,335 | |
Minimum [Member] | |||
Property, Plant and Equipment, Useful Life | 2 years | ||
Maximum [Member] | |||
Property, Plant and Equipment, Useful Life | 7 years | ||
Milestone Education LLC [Member] | |||
Additional Interest In Subsidiaries Acquired During Period, Percentage. | 50.00% |
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- Definition Represents for the percentage for additional interest in subsidiaries acquired during period No definition available.
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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of valuation reserve for inventory. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. No definition available.
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. No definition available.
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