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Note D - Concentration of Risk | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Concentration Risk Disclosure [Text Block] | NOTE D —CONCENTRATION OF RISK Financial instruments which potentially subject the Company to risk primarily consist of cash and accounts receivables. The Company maintains its cash and cash equivalents with various financial institutions, which, at times may exceed the amounts insured by the Federal Deposit Insurance Corporation. The exposure to the Company is solely dependent upon daily bank balances and the respective strength of the financial institutions. The Company has not incurred any losses on these accounts. At December 31, 2017 and 2016, amounts in excess of insured limits were approximately $0 and $811,000, respectively. The Company extends credit to customers on an unsecured basis in the normal course of business. The Company ’s policy is to perform an analysis of the recoverability of its receivables at the end of each reporting period and to establish allowances where appropriate. The Company analyzes historical bad debts and contract losses, customer concentrations, and customer credit-worthiness when evaluating the adequacy of the allowances. The Company had certain customers whose revenue individually represented 10% or more of the Company ’s total revenue, as follows:
|  | Years Ended December 31, |
|  | 201 7 |  |  | 201 6 |
Customer A |  |  | 54 | % |  |  | 34 | %
Customer B |  |  | * |  |  |  | 12 | %
* Less than 10% of total revenue The Company had certain customers whose accounts receivable balances individually represented 10% or more of the Company ’s total accounts receivable, as follows:
|  | As of December 31, |
|  | 201 7 |  |  | 201 6 |
Customer A |  |  | 55 | % |  |  | 35 | %
Customer B |  |  | 37 | % |  |  | 56 | %
Customer B’s receivable of $1,760,000 has been past due per the terms of the invoice for thirty months as of December 31, 2017. The Company has reserved $1,000,000 which represents 57% of the remaining balance owed under the contract.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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