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7. Outstanding Warrants (Details) (Warrant [Member], USD $) | 3 Months Ended
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Jun. 30, 2014 | Mar. 31, 2014
Warrant [Member] |  |
Number of Warrants Outstanding, Beginning | 470 | 470
Number of Warrants Expired | (47) | 0
Number of Warrants Granted | 0 | 30
Number of Warrants Exercised | (54) | (30)
Number of Warrants Outstanding, Ending | 369 | 470
Weighted Average Exercise Price Outstanding, Beginning | $ 3.41 | $ 3.40
Weighted Average Exercise Price Expired | $ 4.98 | $ 0
Weighted Average Exercise Price Granted | $ 0 | $ 0.01
Weighted Average Exercise Price Exercised | $ 4.96 | $ 0.01
Weighted Average Exercise Price Outstanding, Ending | $ 2.99 | $ 3.41
Weighted Average Remaining Contractual Life (in years) Outstanding, Beginning | 4 years 7 months 6 days | 4 years 10 months 6 days
Weighted Average Remaining Contractual Life (in years) Outstanding, Ending | 3 years 1 month 13 days |

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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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