Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000us-gaap_PreferredStockSharesAuthorized	1,000,000us-gaap_PreferredStockSharesAuthorized	1,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001	$ 0.001
Common stock, shares authorized	35,000,000us-gaap_CommonStockSharesAuthorized	35,000,000us-gaap_CommonStockSharesAuthorized	25,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	14,316,355us-gaap_CommonStockSharesIssued	14,011,896us-gaap_CommonStockSharesIssued	10,005,510us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	14,316,355us-gaap_CommonStockSharesOutstanding	14,011,896us-gaap_CommonStockSharesOutstanding	10,005,510us-gaap_CommonStockSharesOutstanding

Face amount or stated value per share of common stock.

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