D. STOCKHOLDERS' EQUITY (Details 1)	12 Months Ended
Dec. 31, 2018 $ / shares shares
Number of Options Outstanding, Ending	241,735
Weighted Average Remaining Contractual Life (Years)	4 years 4 months 24 days
Number of Options Exercisable and Vested	104,497
Options Exercisable and Vested Weighted Average Exercise Price \| $ / shares	$ 94.67
Exercise Price $6.10 to $11.20
Number of Options Outstanding, Ending	66,000
Weighted Average Remaining Contractual Life (Years)	9 years 2 months 12 days
Number of Options Exercisable and Vested	5,500
Options Exercisable and Vested Weighted Average Exercise Price \| $ / shares	$ 10.87
Exercise Price $41.40 to $96.40
Number of Options Outstanding, Ending	40,251
Weighted Average Remaining Contractual Life (Years)	5 years 3 months 18 days
Number of Options Exercisable and Vested	30,503
Options Exercisable and Vested Weighted Average Exercise Price \| $ / shares	$ 60.94
Exercise Price $113.00 to $860.00
Number of Options Outstanding, Ending	135,413
Weighted Average Remaining Contractual Life (Years)	1 year 3 months 18 days
Number of Options Exercisable and Vested	68,423
Options Exercisable and Vested Weighted Average Exercise Price \| $ / shares	$ 114.68
Exercise Price $1,012.00 to $2,580.00
Number of Options Outstanding, Ending	71
Weighted Average Remaining Contractual Life (Years)	1 year 1 month 6 days
Number of Options Exercisable and Vested	71
Options Exercisable and Vested Weighted Average Exercise Price \| $ / shares	$ 1,798.59

Number of options outstanding, including both vested and non-vested options.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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