CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Revenues:
Interest Income Related Party (Note 2)	$ 12,000us-gaap_InterestIncomeOperating	$ 16,000us-gaap_InterestIncomeOperating
Other Income	4,000us-gaap_OtherIncome	0us-gaap_OtherIncome
Total Revenues	16,000us-gaap_Revenues	16,000us-gaap_Revenues
Costs and expenses:
Interest	1,297,000us-gaap_InterestExpense	1,277,000us-gaap_InterestExpense
Forgiveness of debt and interest	(1,313,000)
Interest-related party	6,322,000us-gaap_InterestExpenseRelatedParty	5,515,000us-gaap_InterestExpenseRelatedParty
Taxes and assessments	9,000	9,000
Consulting and accounting-related party	39,000PGAI_ConsultingAndAccounting	39,000PGAI_ConsultingAndAccounting
Legal and professional	12,000us-gaap_ProfessionalFees	10,000us-gaap_ProfessionalFees
General and administrative	163,000us-gaap_GeneralAndAdministrativeExpense	70,000us-gaap_GeneralAndAdministrativeExpense
Total costs and expenses	6,528,000us-gaap_CostsAndExpenses	6,920,000us-gaap_CostsAndExpenses
NET LOSS	$ (6,512,000)us-gaap_NetIncomeLoss	$ (6,904,000)us-gaap_NetIncomeLoss
Loss Per Share Available to Common Stockholders - Basic and Diluted (Note 16)	$ (1.34)us-gaap_EarningsPerShareBasicAndDiluted	$ (1.42)us-gaap_EarningsPerShareBasicAndDiluted

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Total costs of sales and operating expenses for the period.

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The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.

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