Condensed Consolidated Balance Sheets (Current Period Unaudited) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 4,790,000	$ 1,072,000
Accounts receivable	20,000	0
Prepaid expenses and other current assets	41,000	31,000
Total current assets	4,851,000	1,103,000
Property and Equipment:
Office equipment and software	226,000	202,000
Shop equipment	213,000	210,000
Leasehold improvements	253,000	253,000
Transportation equipment	93,000	165,000
	785,000	830,000
Less accumulated depreciation and amortization	466,000	396,000
Net property and equipment	319,000	434,000
Total Assets	5,170,000	1,537,000
Current Liabilities:
Notes payable, current portion	10,000	48,000
Accounts payable	84,000	58,000
Accrued liabilities	74,000	70,000
Deferred revenue	0	20,000
Total current liabilities	168,000	196,000
Notes payable, net of current portion	2,000	6,000
Total Liabilities	170,000	202,000
Commitments and other matters (Note H)	0	0
Preferred stock, value issued
Common stock, $.01 par value, 400,000,000 shares authorized; shares issued and outstanding at June 30, 2014 and December 31, 2013: 45,716,298 and 45,716,298, respectively	457,000	457,000
Additional paid-in capital	71,392,000	66,645,000
Deficit accumulated during the development stage	(67,268,000)	(65,936,000)
Total Stockholders' Equity	5,000,000	1,335,000
Total Liabilities and Stockholders' Equity	5,170,000	1,537,000
Preferred Class C [Member]
Current Liabilities:
Preferred stock, value issued	162,000	162,000
Preferred Class C-2 [Member]
Current Liabilities:
Preferred stock, value issued	250,000	0
Preferred Class A [Member]
Current Liabilities:
Preferred stock, value issued	6,000	6,000
Preferred Class B [Member]
Current Liabilities:
Preferred stock, value issued	$ 1,000	$ 1,000