|
INCOME TAXES (Details Textual) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Income Taxes [Line Items] | |||
| Deferred Tax Benefits From Options and Warrants Exercises | $ 6,700,000prph_DeferredTaxBenefitsFromOptionsAndWarrantsExercises | ||
| Valuation Allowance, Amount | 2,700,000us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied | 266,000us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied | 271,000us-gaap_RealEstateOwnedValuationAllowanceAmountsApplied |
| State and Local Jurisdiction [Member] | |||
| Income Taxes [Line Items] | |||
| Operating Loss Carry forwards Expiration Dates Description | Fiscal 2018 through 2033 | ||
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local |
20,100,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
||
| Domestic Tax Authority [Member] | |||
| Income Taxes [Line Items] | |||
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic |
$ 38,600,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsDomestic / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |
||
| Operating Loss Carry forwards Expiration Dates Description | Fiscal 2020 through 2033 | ||
| X | ||||||||||
|
- Definition
Amount of deferred tax benefit attributable from exercise of options and warrants and will be credited to additional paid in capital when net operating losses attributable to the exercises are utilized. No definition available.
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Definition
The expiration date of each operating loss carryforward included in total operating loss carryforward, or the applicable range of such expiration dates. No definition available.
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Definition
Amount of the valuation allowance for real estate owned that was applied in the period against the carrying amount of real estate owned that was sold, written down or written off. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
|
- Details
|
| X | ||||||||||
|
- Details
|