Annual report pursuant to Section 13 and 15(d)

EARNINGS PER SHARE (Details)

v2.4.1.9
EARNINGS PER SHARE (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Earnings Loss Per Share [Line Items]      
Basic EPS - Income (Loss) $ (7,834)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 405us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ (1,091)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Basic EPS - Shares (in shares) 16,773us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 15,839us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 14,843us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Basic EPS - EPS (in dollars per share) $ (0.47)us-gaap_EarningsPerShareBasic $ 0.03us-gaap_EarningsPerShareBasic $ (0.07)us-gaap_EarningsPerShareBasic
Dilutives:      
Options/Warrants - Loss 0prph_DilutiveSecuritiesOptionsEarningsPerShareValue 0prph_DilutiveSecuritiesOptionsEarningsPerShareValue 0prph_DilutiveSecuritiesOptionsEarningsPerShareValue
Options/Warrants - Shares (in shares) 0prph_DilutiveSecuritiesOptionsEarningsShare 437prph_DilutiveSecuritiesOptionsEarningsShare 0prph_DilutiveSecuritiesOptionsEarningsShare
Options/Warrants - EPS (in dollars per share) $ 0prph_DilutiveSecuritiesOptionsEarningsPerShare $ 0prph_DilutiveSecuritiesOptionsEarningsPerShare $ 0prph_DilutiveSecuritiesOptionsEarningsPerShare
Diluted EPS - Income (Loss) $ (7,834)us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted $ 405us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted $ (1,091)us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted
Diluted EPS - Shares (in shares) 16,773us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 16,276us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 14,843us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted EPS - EPS (in dollars per share) $ (0.47)us-gaap_EarningsPerShareDiluted $ 0.03us-gaap_EarningsPerShareDiluted $ (0.07)us-gaap_EarningsPerShareDiluted