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ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2018
Accounting Policies [Abstract] |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] | The estimated fair value of the Company’s assets and liabilities as of December 31, 2018 and 2017 were as follows (in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |  |  | Carrying Value |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash, cash equivalents, restricted cash |  | $ | 1,792 |  |  | $ | - |  |  | $ | - |  |  | $ | 1,792 |  |  | $ | 1,792 |
Total |  | $ | 1,792 |  |  | $ | - |  |  | $ | - |  |  | $ | 1,792 |  |  | $ | 1,792 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt obligations |  | $ | - |  |  | $ | - |  |  | $ | 5,431 |  |  | $ | 5,431 |  |  | $ | 5,451 |
Total |  | $ | - |  |  | $ | - |  |  | $ | 5,431 |  |  | $ | 5,431 |  |  | $ | 5,451 |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash, cash equivalents, restricted cash |  | $ | 2,502 |  |  | $ | - |  |  | $ | - |  |  | $ | 2,502 |  |  | $ | 2,502 |
Total |  | $ | 2,502 |  |  | $ | - |  |  | $ | - |  |  | $ | 2,502 |  |  | $ | 2,502 |
Liabilities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt obligations |  | $ | - |  |  | $ | - |  |  | $ | 6,082 |  |  | $ | 6,082 |  |  | $ | 6,057 |
Total |  | $ | - |  |  | $ | - |  |  | $ | 6,082 |  |  | $ | 6,082 |  |  | $ | 6,057 |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table illustrates the computations of basic and diluted earnings per share for the years ended December 31, 2018, 2017 and 2016.
|  | 2018 |  |  | 2017 |  |  | 2016 |
Numerator for basic and diluted earnings per share |  | $ | 1,023,000 |  |  | $ | 1,923,000 |  |  | $ | 930,000 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Denominator for basic and diluted earnings per share – weighted-average shares |  |  | 5,836,000 |  |  |  | 5,754,000 |  |  |  | 5,570,000 |
Effect of dilutive securities Employee stock options and restricted stock |  |  | 17,000 |  |  |  | 130,000 |  |  |  | 13,000 |
Denominator for diluted earnings per share – adjusted weighted-average shares |  |  | 5,853,000 |  |  |  | 5,884,000 |  |  |  | 5,583,000 |
Earnings per common share- basic |  | $ | 0.18 |  |  | $ | 0.33 |  |  | $ | 0.17 |
Earnings per common share- diluted |  | $ | 0.17 |  |  | $ | 0.33 |  |  | $ | 0.17 |
Schedule of Domestic and Foreign Break out Percentages [Table Text Block] | The following table provides a break out of domestic and foreign allocations of medical services revenues and net property and equipment:
|  | 2018 |  |  | 2017 |  |  | 2016 |
Medical services revenues |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  | 96 | % |  |  | 99 | % |  |  | 100 | %
Foreign |  |  | 4 | % |  |  | 1 | % |  |  | 0 | %
Total |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %
|  | 2018 |  |  | 2017 |  |  | 2016 |
Property and equipment, net |  |  |  |  |  |  |  |  |  |  |  |
Domestic |  |  | 93 | % |  |  | 93 | % |  |  | 93 | %
Foreign |  |  | 7 | % |  |  | 7 | % |  |  | 7 | %
Total |  |  | 100 | % |  |  | 100 | % |  |  | 100 | %

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19190-110258 + Details
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